From 58d32f23eb0ebc988c6e0fd4c6c651c7757021a2 Mon Sep 17 00:00:00 2001 From: Arjun Satarkar Date: Sat, 2 Nov 2024 15:52:25 -0400 Subject: Clean up directory structure, improve README Also this should make GitHub ignore the vendored code for the purpose of detecting programming languages used in the repository. 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priv/static/video.js/video-js.min.css delete mode 100644 priv/static/video.js/video.cjs.js delete mode 100644 priv/static/video.js/video.es.js delete mode 100644 priv/static/video.js/video.js delete mode 100644 priv/static/video.js/video.min.js (limited to 'priv/static/video.js') diff --git a/priv/static/video.js/LICENSE b/priv/static/video.js/LICENSE deleted file mode 100644 index 8a7f05f..0000000 --- a/priv/static/video.js/LICENSE +++ /dev/null @@ -1,13 +0,0 @@ -Copyright Brightcove, Inc. - - Licensed under the Apache License, Version 2.0 (the "License"); - you may not use this file except in compliance with the License. - You may obtain a copy of the License at - - http://www.apache.org/licenses/LICENSE-2.0 - - Unless required by applicable law or agreed to in writing, software - distributed under the License is distributed on an "AS IS" BASIS, - WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - See the License for the specific language governing permissions and - limitations under the License. \ No newline at end of file diff --git a/priv/static/video.js/alt/video-js-cdn.css b/priv/static/video.js/alt/video-js-cdn.css deleted file mode 100644 index 2f602f6..0000000 --- a/priv/static/video.js/alt/video-js-cdn.css +++ /dev/null @@ -1,1935 +0,0 @@ -.vjs-svg-icon { - display: inline-block; - background-repeat: no-repeat; - background-position: center; - fill: currentColor; - height: 1.8em; - width: 1.8em; -} -.vjs-svg-icon:before { - content: none !important; -} - -.vjs-svg-icon:hover, -.vjs-control:focus .vjs-svg-icon { - filter: drop-shadow(0 0 0.25em #fff); -} - -.vjs-modal-dialog .vjs-modal-dialog-content, .video-js .vjs-modal-dialog, .vjs-button > .vjs-icon-placeholder:before, .video-js .vjs-big-play-button .vjs-icon-placeholder:before { - position: absolute; - top: 0; - left: 0; - width: 100%; - height: 100%; -} - -.vjs-button > .vjs-icon-placeholder:before, .video-js .vjs-big-play-button .vjs-icon-placeholder:before { - text-align: center; -} - -@font-face { - font-family: VideoJS; - src: 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absolute; - top: 0; - left: 0; - width: 100%; - height: 100%; - border: none; - z-index: -1000; -} - -.js-focus-visible .video-js *:focus:not(.focus-visible) { - outline: none; -} - -.video-js *:focus:not(:focus-visible) { - outline: none; -} diff --git a/priv/static/video.js/alt/video-js-cdn.min.css b/priv/static/video.js/alt/video-js-cdn.min.css deleted file mode 100644 index 36b8b2d..0000000 --- a/priv/static/video.js/alt/video-js-cdn.min.css +++ /dev/null @@ -1 +0,0 @@ -.vjs-svg-icon{display:inline-block;background-repeat:no-repeat;background-position:center;fill:currentColor;height:1.8em;width:1.8em}.vjs-svg-icon:before{content:none!important}.vjs-control:focus .vjs-svg-icon,.vjs-svg-icon:hover{filter:drop-shadow(0 0 .25em #fff)}.video-js .vjs-big-play-button .vjs-icon-placeholder:before,.video-js .vjs-modal-dialog,.vjs-button>.vjs-icon-placeholder:before,.vjs-modal-dialog .vjs-modal-dialog-content{position:absolute;top:0;left:0;width:100%;height:100%}.video-js 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print{.video-js>:not(.vjs-tech):not(.vjs-poster){visibility:hidden}}.vjs-resize-manager{position:absolute;top:0;left:0;width:100%;height:100%;border:none;z-index:-1000}.js-focus-visible .video-js :focus:not(.focus-visible){outline:0}.video-js :focus:not(:focus-visible){outline:0} \ No newline at end of file diff --git a/priv/static/video.js/alt/video.core.js b/priv/static/video.js/alt/video.core.js deleted file mode 100644 index 28b38e7..0000000 --- a/priv/static/video.js/alt/video.core.js +++ /dev/null @@ -1,28595 +0,0 @@ -/** - * @license - * Video.js 8.12.0 - * Copyright Brightcove, Inc. - * Available under Apache License Version 2.0 - * - * - * Includes vtt.js - * Available under Apache License Version 2.0 - * - */ - -(function (global, factory) { - typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() : - typeof define === 'function' && define.amd ? define(factory) : - (global = typeof globalThis !== 'undefined' ? globalThis : global || self, global.videojs = factory()); -})(this, (function () { 'use strict'; - - var version = "8.12.0"; - - /** - * An Object that contains lifecycle hooks as keys which point to an array - * of functions that are run when a lifecycle is triggered - * - * @private - */ - const hooks_ = {}; - - /** - * Get a list of hooks for a specific lifecycle - * - * @param {string} type - * the lifecycle to get hooks from - * - * @param {Function|Function[]} [fn] - * Optionally add a hook (or hooks) to the lifecycle that your are getting. - * - * @return {Array} - * an array of hooks, or an empty array if there are none. - */ - const hooks = function (type, fn) { - hooks_[type] = hooks_[type] || []; - if (fn) { - hooks_[type] = hooks_[type].concat(fn); - } - return hooks_[type]; - }; - - /** - * Add a function hook to a specific videojs lifecycle. - * - * @param {string} type - * the lifecycle to hook the function to. - * - * @param {Function|Function[]} - * The function or array of functions to attach. - */ - const hook = function (type, fn) { - hooks(type, fn); - }; - - /** - * Remove a hook from a specific videojs lifecycle. - * - * @param {string} type - * the lifecycle that the function hooked to - * - * @param {Function} fn - * The hooked function to remove - * - * @return {boolean} - * The function that was removed or undef - */ - const removeHook = function (type, fn) { - const index = hooks(type).indexOf(fn); - if (index <= -1) { - return false; - } - hooks_[type] = hooks_[type].slice(); - hooks_[type].splice(index, 1); - return true; - }; - - /** - * Add a function hook that will only run once to a specific videojs lifecycle. - * - * @param {string} type - * the lifecycle to hook the function to. - * - * @param {Function|Function[]} - * The function or array of functions to attach. - */ - const hookOnce = function (type, fn) { - hooks(type, [].concat(fn).map(original => { - const wrapper = (...args) => { - removeHook(type, wrapper); - return original(...args); - }; - return wrapper; - })); - }; - - /** - * @file fullscreen-api.js - * @module fullscreen-api - */ - - /** - * Store the browser-specific methods for the fullscreen API. - * - * @type {Object} - * @see [Specification]{@link https://fullscreen.spec.whatwg.org} - * @see [Map Approach From Screenfull.js]{@link https://github.com/sindresorhus/screenfull.js} - */ - const FullscreenApi = { - prefixed: true - }; - - // browser API methods - const apiMap = [['requestFullscreen', 'exitFullscreen', 'fullscreenElement', 'fullscreenEnabled', 'fullscreenchange', 'fullscreenerror', 'fullscreen'], - // WebKit - ['webkitRequestFullscreen', 'webkitExitFullscreen', 'webkitFullscreenElement', 'webkitFullscreenEnabled', 'webkitfullscreenchange', 'webkitfullscreenerror', '-webkit-full-screen']]; - const specApi = apiMap[0]; - let browserApi; - - // determine the supported set of functions - for (let i = 0; i < apiMap.length; i++) { - // check for exitFullscreen function - if (apiMap[i][1] in document) { - browserApi = apiMap[i]; - break; - } - } - - // map the browser API names to the spec API names - if (browserApi) { - for (let i = 0; i < browserApi.length; i++) { - FullscreenApi[specApi[i]] = browserApi[i]; - } - FullscreenApi.prefixed = browserApi[0] !== specApi[0]; - } - - /** - * @file create-logger.js - * @module create-logger - */ - - // This is the private tracking variable for the logging history. - let history = []; - - /** - * Log messages to the console and history based on the type of message - * - * @private - * @param {string} name - * The name of the console method to use. - * - * @param {Object} log - * The arguments to be passed to the matching console method. - * - * @param {string} [styles] - * styles for name - */ - const LogByTypeFactory = (name, log, styles) => (type, level, args) => { - const lvl = log.levels[level]; - const lvlRegExp = new RegExp(`^(${lvl})$`); - let resultName = name; - if (type !== 'log') { - // Add the type to the front of the message when it's not "log". - args.unshift(type.toUpperCase() + ':'); - } - if (styles) { - resultName = `%c${name}`; - args.unshift(styles); - } - - // Add console prefix after adding to history. - args.unshift(resultName + ':'); - - // Add a clone of the args at this point to history. - if (history) { - history.push([].concat(args)); - - // only store 1000 history entries - const splice = history.length - 1000; - history.splice(0, splice > 0 ? splice : 0); - } - - // If there's no console then don't try to output messages, but they will - // still be stored in history. - if (!window.console) { - return; - } - - // Was setting these once outside of this function, but containing them - // in the function makes it easier to test cases where console doesn't exist - // when the module is executed. - let fn = window.console[type]; - if (!fn && type === 'debug') { - // Certain browsers don't have support for console.debug. For those, we - // should default to the closest comparable log. - fn = window.console.info || window.console.log; - } - - // Bail out if there's no console or if this type is not allowed by the - // current logging level. - if (!fn || !lvl || !lvlRegExp.test(type)) { - return; - } - fn[Array.isArray(args) ? 'apply' : 'call'](window.console, args); - }; - function createLogger$1(name, delimiter = ':', styles = '') { - // This is the private tracking variable for logging level. - let level = 'info'; - - // the curried logByType bound to the specific log and history - let logByType; - - /** - * Logs plain debug messages. Similar to `console.log`. - * - * Due to [limitations](https://github.com/jsdoc3/jsdoc/issues/955#issuecomment-313829149) - * of our JSDoc template, we cannot properly document this as both a function - * and a namespace, so its function signature is documented here. - * - * #### Arguments - * ##### *args - * *[] - * - * Any combination of values that could be passed to `console.log()`. - * - * #### Return Value - * - * `undefined` - * - * @namespace - * @param {...*} args - * One or more messages or objects that should be logged. - */ - const log = function (...args) { - logByType('log', level, args); - }; - - // This is the logByType helper that the logging methods below use - logByType = LogByTypeFactory(name, log, styles); - - /** - * Create a new subLogger which chains the old name to the new name. - * - * For example, doing `videojs.log.createLogger('player')` and then using that logger will log the following: - * ```js - * mylogger('foo'); - * // > VIDEOJS: player: foo - * ``` - * - * @param {string} subName - * The name to add call the new logger - * @param {string} [subDelimiter] - * Optional delimiter - * @param {string} [subStyles] - * Optional styles - * @return {Object} - */ - log.createLogger = (subName, subDelimiter, subStyles) => { - const resultDelimiter = subDelimiter !== undefined ? subDelimiter : delimiter; - const resultStyles = subStyles !== undefined ? subStyles : styles; - const resultName = `${name} ${resultDelimiter} ${subName}`; - return createLogger$1(resultName, resultDelimiter, resultStyles); - }; - - /** - * Create a new logger. - * - * @param {string} newName - * The name for the new logger - * @param {string} [newDelimiter] - * Optional delimiter - * @param {string} [newStyles] - * Optional styles - * @return {Object} - */ - log.createNewLogger = (newName, newDelimiter, newStyles) => { - return createLogger$1(newName, newDelimiter, newStyles); - }; - - /** - * Enumeration of available logging levels, where the keys are the level names - * and the values are `|`-separated strings containing logging methods allowed - * in that logging level. These strings are used to create a regular expression - * matching the function name being called. - * - * Levels provided by Video.js are: - * - * - `off`: Matches no calls. Any value that can be cast to `false` will have - * this effect. The most restrictive. - * - `all`: Matches only Video.js-provided functions (`debug`, `log`, - * `log.warn`, and `log.error`). - * - `debug`: Matches `log.debug`, `log`, `log.warn`, and `log.error` calls. - * - `info` (default): Matches `log`, `log.warn`, and `log.error` calls. - * - `warn`: Matches `log.warn` and `log.error` calls. - * - `error`: Matches only `log.error` calls. - * - * @type {Object} - */ - log.levels = { - all: 'debug|log|warn|error', - off: '', - debug: 'debug|log|warn|error', - info: 'log|warn|error', - warn: 'warn|error', - error: 'error', - DEFAULT: level - }; - - /** - * Get or set the current logging level. - * - * If a string matching a key from {@link module:log.levels} is provided, acts - * as a setter. - * - * @param {'all'|'debug'|'info'|'warn'|'error'|'off'} [lvl] - * Pass a valid level to set a new logging level. - * - * @return {string} - * The current logging level. - */ - log.level = lvl => { - if (typeof lvl === 'string') { - if (!log.levels.hasOwnProperty(lvl)) { - throw new Error(`"${lvl}" in not a valid log level`); - } - level = lvl; - } - return level; - }; - - /** - * Returns an array containing everything that has been logged to the history. - * - * This array is a shallow clone of the internal history record. However, its - * contents are _not_ cloned; so, mutating objects inside this array will - * mutate them in history. - * - * @return {Array} - */ - log.history = () => history ? [].concat(history) : []; - - /** - * Allows you to filter the history by the given logger name - * - * @param {string} fname - * The name to filter by - * - * @return {Array} - * The filtered list to return - */ - log.history.filter = fname => { - return (history || []).filter(historyItem => { - // if the first item in each historyItem includes `fname`, then it's a match - return new RegExp(`.*${fname}.*`).test(historyItem[0]); - }); - }; - - /** - * Clears the internal history tracking, but does not prevent further history - * tracking. - */ - log.history.clear = () => { - if (history) { - history.length = 0; - } - }; - - /** - * Disable history tracking if it is currently enabled. - */ - log.history.disable = () => { - if (history !== null) { - history.length = 0; - history = null; - } - }; - - /** - * Enable history tracking if it is currently disabled. - */ - log.history.enable = () => { - if (history === null) { - history = []; - } - }; - - /** - * Logs error messages. Similar to `console.error`. - * - * @param {...*} args - * One or more messages or objects that should be logged as an error - */ - log.error = (...args) => logByType('error', level, args); - - /** - * Logs warning messages. Similar to `console.warn`. - * - * @param {...*} args - * One or more messages or objects that should be logged as a warning. - */ - log.warn = (...args) => logByType('warn', level, args); - - /** - * Logs debug messages. Similar to `console.debug`, but may also act as a comparable - * log if `console.debug` is not available - * - * @param {...*} args - * One or more messages or objects that should be logged as debug. - */ - log.debug = (...args) => logByType('debug', level, args); - return log; - } - - /** - * @file log.js - * @module log - */ - const log = createLogger$1('VIDEOJS'); - const createLogger = log.createLogger; - - /** - * @file obj.js - * @module obj - */ - - /** - * @callback obj:EachCallback - * - * @param {*} value - * The current key for the object that is being iterated over. - * - * @param {string} key - * The current key-value for object that is being iterated over - */ - - /** - * @callback obj:ReduceCallback - * - * @param {*} accum - * The value that is accumulating over the reduce loop. - * - * @param {*} value - * The current key for the object that is being iterated over. - * - * @param {string} key - * The current key-value for object that is being iterated over - * - * @return {*} - * The new accumulated value. - */ - const toString$1 = Object.prototype.toString; - - /** - * Get the keys of an Object - * - * @param {Object} - * The Object to get the keys from - * - * @return {string[]} - * An array of the keys from the object. Returns an empty array if the - * object passed in was invalid or had no keys. - * - * @private - */ - const keys = function (object) { - return isObject(object) ? Object.keys(object) : []; - }; - - /** - * Array-like iteration for objects. - * - * @param {Object} object - * The object to iterate over - * - * @param {obj:EachCallback} fn - * The callback function which is called for each key in the object. - */ - function each(object, fn) { - keys(object).forEach(key => fn(object[key], key)); - } - - /** - * Array-like reduce for objects. - * - * @param {Object} object - * The Object that you want to reduce. - * - * @param {Function} fn - * A callback function which is called for each key in the object. It - * receives the accumulated value and the per-iteration value and key - * as arguments. - * - * @param {*} [initial = 0] - * Starting value - * - * @return {*} - * The final accumulated value. - */ - function reduce(object, fn, initial = 0) { - return keys(object).reduce((accum, key) => fn(accum, object[key], key), initial); - } - - /** - * Returns whether a value is an object of any kind - including DOM nodes, - * arrays, regular expressions, etc. Not functions, though. - * - * This avoids the gotcha where using `typeof` on a `null` value - * results in `'object'`. - * - * @param {Object} value - * @return {boolean} - */ - function isObject(value) { - return !!value && typeof value === 'object'; - } - - /** - * Returns whether an object appears to be a "plain" object - that is, a - * direct instance of `Object`. - * - * @param {Object} value - * @return {boolean} - */ - function isPlain(value) { - return isObject(value) && toString$1.call(value) === '[object Object]' && value.constructor === Object; - } - - /** - * Merge two objects recursively. - * - * Performs a deep merge like - * {@link https://lodash.com/docs/4.17.10#merge|lodash.merge}, but only merges - * plain objects (not arrays, elements, or anything else). - * - * Non-plain object values will be copied directly from the right-most - * argument. - * - * @param {Object[]} sources - * One or more objects to merge into a new object. - * - * @return {Object} - * A new object that is the merged result of all sources. - */ - function merge(...sources) { - const result = {}; - sources.forEach(source => { - if (!source) { - return; - } - each(source, (value, key) => { - if (!isPlain(value)) { - result[key] = value; - return; - } - if (!isPlain(result[key])) { - result[key] = {}; - } - result[key] = merge(result[key], value); - }); - }); - return result; - } - - /** - * Returns an array of values for a given object - * - * @param {Object} source - target object - * @return {Array} - object values - */ - function values(source = {}) { - const result = []; - for (const key in source) { - if (source.hasOwnProperty(key)) { - const value = source[key]; - result.push(value); - } - } - return result; - } - - /** - * Object.defineProperty but "lazy", which means that the value is only set after - * it is retrieved the first time, rather than being set right away. - * - * @param {Object} obj the object to set the property on - * @param {string} key the key for the property to set - * @param {Function} getValue the function used to get the value when it is needed. - * @param {boolean} setter whether a setter should be allowed or not - */ - function defineLazyProperty(obj, key, getValue, setter = true) { - const set = value => Object.defineProperty(obj, key, { - value, - enumerable: true, - writable: true - }); - const options = { - configurable: true, - enumerable: true, - get() { - const value = getValue(); - set(value); - return value; - } - }; - if (setter) { - options.set = set; - } - return Object.defineProperty(obj, key, options); - } - - var Obj = /*#__PURE__*/Object.freeze({ - __proto__: null, - each: each, - reduce: reduce, - isObject: isObject, - isPlain: isPlain, - merge: merge, - values: values, - defineLazyProperty: defineLazyProperty - }); - - /** - * @file browser.js - * @module browser - */ - - /** - * Whether or not this device is an iPod. - * - * @static - * @type {Boolean} - */ - let IS_IPOD = false; - - /** - * The detected iOS version - or `null`. - * - * @static - * @type {string|null} - */ - let IOS_VERSION = null; - - /** - * Whether or not this is an Android device. - * - * @static - * @type {Boolean} - */ - let IS_ANDROID = false; - - /** - * The detected Android version - or `null` if not Android or indeterminable. - * - * @static - * @type {number|string|null} - */ - let ANDROID_VERSION; - - /** - * Whether or not this is Mozilla Firefox. - * - * @static - * @type {Boolean} - */ - let IS_FIREFOX = false; - - /** - * Whether or not this is Microsoft Edge. - * - * @static - * @type {Boolean} - */ - let IS_EDGE = false; - - /** - * Whether or not this is any Chromium Browser - * - * @static - * @type {Boolean} - */ - let IS_CHROMIUM = false; - - /** - * Whether or not this is any Chromium browser that is not Edge. - * - * This will also be `true` for Chrome on iOS, which will have different support - * as it is actually Safari under the hood. - * - * Deprecated, as the behaviour to not match Edge was to prevent Legacy Edge's UA matching. - * IS_CHROMIUM should be used instead. - * "Chromium but not Edge" could be explicitly tested with IS_CHROMIUM && !IS_EDGE - * - * @static - * @deprecated - * @type {Boolean} - */ - let IS_CHROME = false; - - /** - * The detected Chromium version - or `null`. - * - * @static - * @type {number|null} - */ - let CHROMIUM_VERSION = null; - - /** - * The detected Google Chrome version - or `null`. - * This has always been the _Chromium_ version, i.e. would return on Chromium Edge. - * Deprecated, use CHROMIUM_VERSION instead. - * - * @static - * @deprecated - * @type {number|null} - */ - let CHROME_VERSION = null; - - /** - * The detected Internet Explorer version - or `null`. - * - * @static - * @deprecated - * @type {number|null} - */ - let IE_VERSION = null; - - /** - * Whether or not this is desktop Safari. - * - * @static - * @type {Boolean} - */ - let IS_SAFARI = false; - - /** - * Whether or not this is a Windows machine. - * - * @static - * @type {Boolean} - */ - let IS_WINDOWS = false; - - /** - * Whether or not this device is an iPad. - * - * @static - * @type {Boolean} - */ - let IS_IPAD = false; - - /** - * Whether or not this device is an iPhone. - * - * @static - * @type {Boolean} - */ - // The Facebook app's UIWebView identifies as both an iPhone and iPad, so - // to identify iPhones, we need to exclude iPads. - // http://artsy.github.io/blog/2012/10/18/the-perils-of-ios-user-agent-sniffing/ - let IS_IPHONE = false; - - /** - * Whether or not this is a Tizen device. - * - * @static - * @type {Boolean} - */ - let IS_TIZEN = false; - - /** - * Whether or not this is a WebOS device. - * - * @static - * @type {Boolean} - */ - let IS_WEBOS = false; - - /** - * Whether or not this is a Smart TV (Tizen or WebOS) device. - * - * @static - * @type {Boolean} - */ - let IS_SMART_TV = false; - - /** - * Whether or not this device is touch-enabled. - * - * @static - * @const - * @type {Boolean} - */ - const TOUCH_ENABLED = Boolean(isReal() && ('ontouchstart' in window || window.navigator.maxTouchPoints || window.DocumentTouch && window.document instanceof window.DocumentTouch)); - const UAD = window.navigator && window.navigator.userAgentData; - if (UAD && UAD.platform && UAD.brands) { - // If userAgentData is present, use it instead of userAgent to avoid warnings - // Currently only implemented on Chromium - // userAgentData does not expose Android version, so ANDROID_VERSION remains `null` - - IS_ANDROID = UAD.platform === 'Android'; - IS_EDGE = Boolean(UAD.brands.find(b => b.brand === 'Microsoft Edge')); - IS_CHROMIUM = Boolean(UAD.brands.find(b => b.brand === 'Chromium')); - IS_CHROME = !IS_EDGE && IS_CHROMIUM; - CHROMIUM_VERSION = CHROME_VERSION = (UAD.brands.find(b => b.brand === 'Chromium') || {}).version || null; - IS_WINDOWS = UAD.platform === 'Windows'; - } - - // If the browser is not Chromium, either userAgentData is not present which could be an old Chromium browser, - // or it's a browser that has added userAgentData since that we don't have tests for yet. In either case, - // the checks need to be made agiainst the regular userAgent string. - if (!IS_CHROMIUM) { - const USER_AGENT = window.navigator && window.navigator.userAgent || ''; - IS_IPOD = /iPod/i.test(USER_AGENT); - IOS_VERSION = function () { - const match = USER_AGENT.match(/OS (\d+)_/i); - if (match && match[1]) { - return match[1]; - } - return null; - }(); - IS_ANDROID = /Android/i.test(USER_AGENT); - ANDROID_VERSION = function () { - // This matches Android Major.Minor.Patch versions - // ANDROID_VERSION is Major.Minor as a Number, if Minor isn't available, then only Major is returned - const match = USER_AGENT.match(/Android (\d+)(?:\.(\d+))?(?:\.(\d+))*/i); - if (!match) { - return null; - } - const major = match[1] && parseFloat(match[1]); - const minor = match[2] && parseFloat(match[2]); - if (major && minor) { - return parseFloat(match[1] + '.' + match[2]); - } else if (major) { - return major; - } - return null; - }(); - IS_FIREFOX = /Firefox/i.test(USER_AGENT); - IS_EDGE = /Edg/i.test(USER_AGENT); - IS_CHROMIUM = /Chrome/i.test(USER_AGENT) || /CriOS/i.test(USER_AGENT); - IS_CHROME = !IS_EDGE && IS_CHROMIUM; - CHROMIUM_VERSION = CHROME_VERSION = function () { - const match = USER_AGENT.match(/(Chrome|CriOS)\/(\d+)/); - if (match && match[2]) { - return parseFloat(match[2]); - } - return null; - }(); - IE_VERSION = function () { - const result = /MSIE\s(\d+)\.\d/.exec(USER_AGENT); - let version = result && parseFloat(result[1]); - if (!version && /Trident\/7.0/i.test(USER_AGENT) && /rv:11.0/.test(USER_AGENT)) { - // IE 11 has a different user agent string than other IE versions - version = 11.0; - } - return version; - }(); - IS_TIZEN = /Tizen/i.test(USER_AGENT); - IS_WEBOS = /Web0S/i.test(USER_AGENT); - IS_SMART_TV = IS_TIZEN || IS_WEBOS; - IS_SAFARI = /Safari/i.test(USER_AGENT) && !IS_CHROME && !IS_ANDROID && !IS_EDGE && !IS_SMART_TV; - IS_WINDOWS = /Windows/i.test(USER_AGENT); - IS_IPAD = /iPad/i.test(USER_AGENT) || IS_SAFARI && TOUCH_ENABLED && !/iPhone/i.test(USER_AGENT); - IS_IPHONE = /iPhone/i.test(USER_AGENT) && !IS_IPAD; - } - - /** - * Whether or not this is an iOS device. - * - * @static - * @const - * @type {Boolean} - */ - const IS_IOS = IS_IPHONE || IS_IPAD || IS_IPOD; - - /** - * Whether or not this is any flavor of Safari - including iOS. - * - * @static - * @const - * @type {Boolean} - */ - const IS_ANY_SAFARI = (IS_SAFARI || IS_IOS) && !IS_CHROME; - - var browser = /*#__PURE__*/Object.freeze({ - __proto__: null, - get IS_IPOD () { return IS_IPOD; }, - get IOS_VERSION () { return IOS_VERSION; }, - get IS_ANDROID () { return IS_ANDROID; }, - get ANDROID_VERSION () { return ANDROID_VERSION; }, - get IS_FIREFOX () { return IS_FIREFOX; }, - get IS_EDGE () { return IS_EDGE; }, - get IS_CHROMIUM () { return IS_CHROMIUM; }, - get IS_CHROME () { return IS_CHROME; }, - get CHROMIUM_VERSION () { return CHROMIUM_VERSION; }, - get CHROME_VERSION () { return CHROME_VERSION; }, - get IE_VERSION () { return IE_VERSION; }, - get IS_SAFARI () { return IS_SAFARI; }, - get IS_WINDOWS () { return IS_WINDOWS; }, - get IS_IPAD () { return IS_IPAD; }, - get IS_IPHONE () { return IS_IPHONE; }, - get IS_TIZEN () { return IS_TIZEN; }, - get IS_WEBOS () { return IS_WEBOS; }, - get IS_SMART_TV () { return IS_SMART_TV; }, - TOUCH_ENABLED: TOUCH_ENABLED, - IS_IOS: IS_IOS, - IS_ANY_SAFARI: IS_ANY_SAFARI - }); - - /** - * @file dom.js - * @module dom - */ - - /** - * Detect if a value is a string with any non-whitespace characters. - * - * @private - * @param {string} str - * The string to check - * - * @return {boolean} - * Will be `true` if the string is non-blank, `false` otherwise. - * - */ - function isNonBlankString(str) { - // we use str.trim as it will trim any whitespace characters - // from the front or back of non-whitespace characters. aka - // Any string that contains non-whitespace characters will - // still contain them after `trim` but whitespace only strings - // will have a length of 0, failing this check. - return typeof str === 'string' && Boolean(str.trim()); - } - - /** - * Throws an error if the passed string has whitespace. This is used by - * class methods to be relatively consistent with the classList API. - * - * @private - * @param {string} str - * The string to check for whitespace. - * - * @throws {Error} - * Throws an error if there is whitespace in the string. - */ - function throwIfWhitespace(str) { - // str.indexOf instead of regex because str.indexOf is faster performance wise. - if (str.indexOf(' ') >= 0) { - throw new Error('class has illegal whitespace characters'); - } - } - - /** - * Whether the current DOM interface appears to be real (i.e. not simulated). - * - * @return {boolean} - * Will be `true` if the DOM appears to be real, `false` otherwise. - */ - function isReal() { - // Both document and window will never be undefined thanks to `global`. - return document === window.document; - } - - /** - * Determines, via duck typing, whether or not a value is a DOM element. - * - * @param {*} value - * The value to check. - * - * @return {boolean} - * Will be `true` if the value is a DOM element, `false` otherwise. - */ - function isEl(value) { - return isObject(value) && value.nodeType === 1; - } - - /** - * Determines if the current DOM is embedded in an iframe. - * - * @return {boolean} - * Will be `true` if the DOM is embedded in an iframe, `false` - * otherwise. - */ - function isInFrame() { - // We need a try/catch here because Safari will throw errors when attempting - // to get either `parent` or `self` - try { - return window.parent !== window.self; - } catch (x) { - return true; - } - } - - /** - * Creates functions to query the DOM using a given method. - * - * @private - * @param {string} method - * The method to create the query with. - * - * @return {Function} - * The query method - */ - function createQuerier(method) { - return function (selector, context) { - if (!isNonBlankString(selector)) { - return document[method](null); - } - if (isNonBlankString(context)) { - context = document.querySelector(context); - } - const ctx = isEl(context) ? context : document; - return ctx[method] && ctx[method](selector); - }; - } - - /** - * Creates an element and applies properties, attributes, and inserts content. - * - * @param {string} [tagName='div'] - * Name of tag to be created. - * - * @param {Object} [properties={}] - * Element properties to be applied. - * - * @param {Object} [attributes={}] - * Element attributes to be applied. - * - * @param {ContentDescriptor} [content] - * A content descriptor object. - * - * @return {Element} - * The element that was created. - */ - function createEl(tagName = 'div', properties = {}, attributes = {}, content) { - const el = document.createElement(tagName); - Object.getOwnPropertyNames(properties).forEach(function (propName) { - const val = properties[propName]; - - // Handle textContent since it's not supported everywhere and we have a - // method for it. - if (propName === 'textContent') { - textContent(el, val); - } else if (el[propName] !== val || propName === 'tabIndex') { - el[propName] = val; - } - }); - Object.getOwnPropertyNames(attributes).forEach(function (attrName) { - el.setAttribute(attrName, attributes[attrName]); - }); - if (content) { - appendContent(el, content); - } - return el; - } - - /** - * Injects text into an element, replacing any existing contents entirely. - * - * @param {HTMLElement} el - * The element to add text content into - * - * @param {string} text - * The text content to add. - * - * @return {Element} - * The element with added text content. - */ - function textContent(el, text) { - if (typeof el.textContent === 'undefined') { - el.innerText = text; - } else { - el.textContent = text; - } - return el; - } - - /** - * Insert an element as the first child node of another - * - * @param {Element} child - * Element to insert - * - * @param {Element} parent - * Element to insert child into - */ - function prependTo(child, parent) { - if (parent.firstChild) { - parent.insertBefore(child, parent.firstChild); - } else { - parent.appendChild(child); - } - } - - /** - * Check if an element has a class name. - * - * @param {Element} element - * Element to check - * - * @param {string} classToCheck - * Class name to check for - * - * @return {boolean} - * Will be `true` if the element has a class, `false` otherwise. - * - * @throws {Error} - * Throws an error if `classToCheck` has white space. - */ - function hasClass(element, classToCheck) { - throwIfWhitespace(classToCheck); - return element.classList.contains(classToCheck); - } - - /** - * Add a class name to an element. - * - * @param {Element} element - * Element to add class name to. - * - * @param {...string} classesToAdd - * One or more class name to add. - * - * @return {Element} - * The DOM element with the added class name. - */ - function addClass(element, ...classesToAdd) { - element.classList.add(...classesToAdd.reduce((prev, current) => prev.concat(current.split(/\s+/)), [])); - return element; - } - - /** - * Remove a class name from an element. - * - * @param {Element} element - * Element to remove a class name from. - * - * @param {...string} classesToRemove - * One or more class name to remove. - * - * @return {Element} - * The DOM element with class name removed. - */ - function removeClass(element, ...classesToRemove) { - // Protect in case the player gets disposed - if (!element) { - log.warn("removeClass was called with an element that doesn't exist"); - return null; - } - element.classList.remove(...classesToRemove.reduce((prev, current) => prev.concat(current.split(/\s+/)), [])); - return element; - } - - /** - * The callback definition for toggleClass. - * - * @callback module:dom~PredicateCallback - * @param {Element} element - * The DOM element of the Component. - * - * @param {string} classToToggle - * The `className` that wants to be toggled - * - * @return {boolean|undefined} - * If `true` is returned, the `classToToggle` will be added to the - * `element`. If `false`, the `classToToggle` will be removed from - * the `element`. If `undefined`, the callback will be ignored. - */ - - /** - * Adds or removes a class name to/from an element depending on an optional - * condition or the presence/absence of the class name. - * - * @param {Element} element - * The element to toggle a class name on. - * - * @param {string} classToToggle - * The class that should be toggled. - * - * @param {boolean|module:dom~PredicateCallback} [predicate] - * See the return value for {@link module:dom~PredicateCallback} - * - * @return {Element} - * The element with a class that has been toggled. - */ - function toggleClass(element, classToToggle, predicate) { - if (typeof predicate === 'function') { - predicate = predicate(element, classToToggle); - } - if (typeof predicate !== 'boolean') { - predicate = undefined; - } - classToToggle.split(/\s+/).forEach(className => element.classList.toggle(className, predicate)); - return element; - } - - /** - * Apply attributes to an HTML element. - * - * @param {Element} el - * Element to add attributes to. - * - * @param {Object} [attributes] - * Attributes to be applied. - */ - function setAttributes(el, attributes) { - Object.getOwnPropertyNames(attributes).forEach(function (attrName) { - const attrValue = attributes[attrName]; - if (attrValue === null || typeof attrValue === 'undefined' || attrValue === false) { - el.removeAttribute(attrName); - } else { - el.setAttribute(attrName, attrValue === true ? '' : attrValue); - } - }); - } - - /** - * Get an element's attribute values, as defined on the HTML tag. - * - * Attributes are not the same as properties. They're defined on the tag - * or with setAttribute. - * - * @param {Element} tag - * Element from which to get tag attributes. - * - * @return {Object} - * All attributes of the element. Boolean attributes will be `true` or - * `false`, others will be strings. - */ - function getAttributes(tag) { - const obj = {}; - - // known boolean attributes - // we can check for matching boolean properties, but not all browsers - // and not all tags know about these attributes, so, we still want to check them manually - const knownBooleans = ['autoplay', 'controls', 'playsinline', 'loop', 'muted', 'default', 'defaultMuted']; - if (tag && tag.attributes && tag.attributes.length > 0) { - const attrs = tag.attributes; - for (let i = attrs.length - 1; i >= 0; i--) { - const attrName = attrs[i].name; - /** @type {boolean|string} */ - let attrVal = attrs[i].value; - - // check for known booleans - // the matching element property will return a value for typeof - if (knownBooleans.includes(attrName)) { - // the value of an included boolean attribute is typically an empty - // string ('') which would equal false if we just check for a false value. - // we also don't want support bad code like autoplay='false' - attrVal = attrVal !== null ? true : false; - } - obj[attrName] = attrVal; - } - } - return obj; - } - - /** - * Get the value of an element's attribute. - * - * @param {Element} el - * A DOM element. - * - * @param {string} attribute - * Attribute to get the value of. - * - * @return {string} - * The value of the attribute. - */ - function getAttribute(el, attribute) { - return el.getAttribute(attribute); - } - - /** - * Set the value of an element's attribute. - * - * @param {Element} el - * A DOM element. - * - * @param {string} attribute - * Attribute to set. - * - * @param {string} value - * Value to set the attribute to. - */ - function setAttribute(el, attribute, value) { - el.setAttribute(attribute, value); - } - - /** - * Remove an element's attribute. - * - * @param {Element} el - * A DOM element. - * - * @param {string} attribute - * Attribute to remove. - */ - function removeAttribute(el, attribute) { - el.removeAttribute(attribute); - } - - /** - * Attempt to block the ability to select text. - */ - function blockTextSelection() { - document.body.focus(); - document.onselectstart = function () { - return false; - }; - } - - /** - * Turn off text selection blocking. - */ - function unblockTextSelection() { - document.onselectstart = function () { - return true; - }; - } - - /** - * Identical to the native `getBoundingClientRect` function, but ensures that - * the method is supported at all (it is in all browsers we claim to support) - * and that the element is in the DOM before continuing. - * - * This wrapper function also shims properties which are not provided by some - * older browsers (namely, IE8). - * - * Additionally, some browsers do not support adding properties to a - * `ClientRect`/`DOMRect` object; so, we shallow-copy it with the standard - * properties (except `x` and `y` which are not widely supported). This helps - * avoid implementations where keys are non-enumerable. - * - * @param {Element} el - * Element whose `ClientRect` we want to calculate. - * - * @return {Object|undefined} - * Always returns a plain object - or `undefined` if it cannot. - */ - function getBoundingClientRect(el) { - if (el && el.getBoundingClientRect && el.parentNode) { - const rect = el.getBoundingClientRect(); - const result = {}; - ['bottom', 'height', 'left', 'right', 'top', 'width'].forEach(k => { - if (rect[k] !== undefined) { - result[k] = rect[k]; - } - }); - if (!result.height) { - result.height = parseFloat(computedStyle(el, 'height')); - } - if (!result.width) { - result.width = parseFloat(computedStyle(el, 'width')); - } - return result; - } - } - - /** - * Represents the position of a DOM element on the page. - * - * @typedef {Object} module:dom~Position - * - * @property {number} left - * Pixels to the left. - * - * @property {number} top - * Pixels from the top. - */ - - /** - * Get the position of an element in the DOM. - * - * Uses `getBoundingClientRect` technique from John Resig. - * - * @see http://ejohn.org/blog/getboundingclientrect-is-awesome/ - * - * @param {Element} el - * Element from which to get offset. - * - * @return {module:dom~Position} - * The position of the element that was passed in. - */ - function findPosition(el) { - if (!el || el && !el.offsetParent) { - return { - left: 0, - top: 0, - width: 0, - height: 0 - }; - } - const width = el.offsetWidth; - const height = el.offsetHeight; - let left = 0; - let top = 0; - while (el.offsetParent && el !== document[FullscreenApi.fullscreenElement]) { - left += el.offsetLeft; - top += el.offsetTop; - el = el.offsetParent; - } - return { - left, - top, - width, - height - }; - } - - /** - * Represents x and y coordinates for a DOM element or mouse pointer. - * - * @typedef {Object} module:dom~Coordinates - * - * @property {number} x - * x coordinate in pixels - * - * @property {number} y - * y coordinate in pixels - */ - - /** - * Get the pointer position within an element. - * - * The base on the coordinates are the bottom left of the element. - * - * @param {Element} el - * Element on which to get the pointer position on. - * - * @param {Event} event - * Event object. - * - * @return {module:dom~Coordinates} - * A coordinates object corresponding to the mouse position. - * - */ - function getPointerPosition(el, event) { - const translated = { - x: 0, - y: 0 - }; - if (IS_IOS) { - let item = el; - while (item && item.nodeName.toLowerCase() !== 'html') { - const transform = computedStyle(item, 'transform'); - if (/^matrix/.test(transform)) { - const values = transform.slice(7, -1).split(/,\s/).map(Number); - translated.x += values[4]; - translated.y += values[5]; - } else if (/^matrix3d/.test(transform)) { - const values = transform.slice(9, -1).split(/,\s/).map(Number); - translated.x += values[12]; - translated.y += values[13]; - } - item = item.parentNode; - } - } - const position = {}; - const boxTarget = findPosition(event.target); - const box = findPosition(el); - const boxW = box.width; - const boxH = box.height; - let offsetY = event.offsetY - (box.top - boxTarget.top); - let offsetX = event.offsetX - (box.left - boxTarget.left); - if (event.changedTouches) { - offsetX = event.changedTouches[0].pageX - box.left; - offsetY = event.changedTouches[0].pageY + box.top; - if (IS_IOS) { - offsetX -= translated.x; - offsetY -= translated.y; - } - } - position.y = 1 - Math.max(0, Math.min(1, offsetY / boxH)); - position.x = Math.max(0, Math.min(1, offsetX / boxW)); - return position; - } - - /** - * Determines, via duck typing, whether or not a value is a text node. - * - * @param {*} value - * Check if this value is a text node. - * - * @return {boolean} - * Will be `true` if the value is a text node, `false` otherwise. - */ - function isTextNode(value) { - return isObject(value) && value.nodeType === 3; - } - - /** - * Empties the contents of an element. - * - * @param {Element} el - * The element to empty children from - * - * @return {Element} - * The element with no children - */ - function emptyEl(el) { - while (el.firstChild) { - el.removeChild(el.firstChild); - } - return el; - } - - /** - * This is a mixed value that describes content to be injected into the DOM - * via some method. It can be of the following types: - * - * Type | Description - * -----------|------------- - * `string` | The value will be normalized into a text node. - * `Element` | The value will be accepted as-is. - * `Text` | A TextNode. The value will be accepted as-is. - * `Array` | A one-dimensional array of strings, elements, text nodes, or functions. These functions should return a string, element, or text node (any other return value, like an array, will be ignored). - * `Function` | A function, which is expected to return a string, element, text node, or array - any of the other possible values described above. This means that a content descriptor could be a function that returns an array of functions, but those second-level functions must return strings, elements, or text nodes. - * - * @typedef {string|Element|Text|Array|Function} ContentDescriptor - */ - - /** - * Normalizes content for eventual insertion into the DOM. - * - * This allows a wide range of content definition methods, but helps protect - * from falling into the trap of simply writing to `innerHTML`, which could - * be an XSS concern. - * - * The content for an element can be passed in multiple types and - * combinations, whose behavior is as follows: - * - * @param {ContentDescriptor} content - * A content descriptor value. - * - * @return {Array} - * All of the content that was passed in, normalized to an array of - * elements or text nodes. - */ - function normalizeContent(content) { - // First, invoke content if it is a function. If it produces an array, - // that needs to happen before normalization. - if (typeof content === 'function') { - content = content(); - } - - // Next up, normalize to an array, so one or many items can be normalized, - // filtered, and returned. - return (Array.isArray(content) ? content : [content]).map(value => { - // First, invoke value if it is a function to produce a new value, - // which will be subsequently normalized to a Node of some kind. - if (typeof value === 'function') { - value = value(); - } - if (isEl(value) || isTextNode(value)) { - return value; - } - if (typeof value === 'string' && /\S/.test(value)) { - return document.createTextNode(value); - } - }).filter(value => value); - } - - /** - * Normalizes and appends content to an element. - * - * @param {Element} el - * Element to append normalized content to. - * - * @param {ContentDescriptor} content - * A content descriptor value. - * - * @return {Element} - * The element with appended normalized content. - */ - function appendContent(el, content) { - normalizeContent(content).forEach(node => el.appendChild(node)); - return el; - } - - /** - * Normalizes and inserts content into an element; this is identical to - * `appendContent()`, except it empties the element first. - * - * @param {Element} el - * Element to insert normalized content into. - * - * @param {ContentDescriptor} content - * A content descriptor value. - * - * @return {Element} - * The element with inserted normalized content. - */ - function insertContent(el, content) { - return appendContent(emptyEl(el), content); - } - - /** - * Check if an event was a single left click. - * - * @param {MouseEvent} event - * Event object. - * - * @return {boolean} - * Will be `true` if a single left click, `false` otherwise. - */ - function isSingleLeftClick(event) { - // Note: if you create something draggable, be sure to - // call it on both `mousedown` and `mousemove` event, - // otherwise `mousedown` should be enough for a button - - if (event.button === undefined && event.buttons === undefined) { - // Why do we need `buttons` ? - // Because, middle mouse sometimes have this: - // e.button === 0 and e.buttons === 4 - // Furthermore, we want to prevent combination click, something like - // HOLD middlemouse then left click, that would be - // e.button === 0, e.buttons === 5 - // just `button` is not gonna work - - // Alright, then what this block does ? - // this is for chrome `simulate mobile devices` - // I want to support this as well - - return true; - } - if (event.button === 0 && event.buttons === undefined) { - // Touch screen, sometimes on some specific device, `buttons` - // doesn't have anything (safari on ios, blackberry...) - - return true; - } - - // `mouseup` event on a single left click has - // `button` and `buttons` equal to 0 - if (event.type === 'mouseup' && event.button === 0 && event.buttons === 0) { - return true; - } - if (event.button !== 0 || event.buttons !== 1) { - // This is the reason we have those if else block above - // if any special case we can catch and let it slide - // we do it above, when get to here, this definitely - // is-not-left-click - - return false; - } - return true; - } - - /** - * Finds a single DOM element matching `selector` within the optional - * `context` of another DOM element (defaulting to `document`). - * - * @param {string} selector - * A valid CSS selector, which will be passed to `querySelector`. - * - * @param {Element|String} [context=document] - * A DOM element within which to query. Can also be a selector - * string in which case the first matching element will be used - * as context. If missing (or no element matches selector), falls - * back to `document`. - * - * @return {Element|null} - * The element that was found or null. - */ - const $ = createQuerier('querySelector'); - - /** - * Finds a all DOM elements matching `selector` within the optional - * `context` of another DOM element (defaulting to `document`). - * - * @param {string} selector - * A valid CSS selector, which will be passed to `querySelectorAll`. - * - * @param {Element|String} [context=document] - * A DOM element within which to query. Can also be a selector - * string in which case the first matching element will be used - * as context. If missing (or no element matches selector), falls - * back to `document`. - * - * @return {NodeList} - * A element list of elements that were found. Will be empty if none - * were found. - * - */ - const $$ = createQuerier('querySelectorAll'); - - /** - * A safe getComputedStyle. - * - * This is needed because in Firefox, if the player is loaded in an iframe with - * `display:none`, then `getComputedStyle` returns `null`, so, we do a - * null-check to make sure that the player doesn't break in these cases. - * - * @param {Element} el - * The element you want the computed style of - * - * @param {string} prop - * The property name you want - * - * @see https://bugzilla.mozilla.org/show_bug.cgi?id=548397 - */ - function computedStyle(el, prop) { - if (!el || !prop) { - return ''; - } - if (typeof window.getComputedStyle === 'function') { - let computedStyleValue; - try { - computedStyleValue = window.getComputedStyle(el); - } catch (e) { - return ''; - } - return computedStyleValue ? computedStyleValue.getPropertyValue(prop) || computedStyleValue[prop] : ''; - } - return ''; - } - - /** - * Copy document style sheets to another window. - * - * @param {Window} win - * The window element you want to copy the document style sheets to. - * - */ - function copyStyleSheetsToWindow(win) { - [...document.styleSheets].forEach(styleSheet => { - try { - const cssRules = [...styleSheet.cssRules].map(rule => rule.cssText).join(''); - const style = document.createElement('style'); - style.textContent = cssRules; - win.document.head.appendChild(style); - } catch (e) { - const link = document.createElement('link'); - link.rel = 'stylesheet'; - link.type = styleSheet.type; - // For older Safari this has to be the string; on other browsers setting the MediaList works - link.media = styleSheet.media.mediaText; - link.href = styleSheet.href; - win.document.head.appendChild(link); - } - }); - } - - var Dom = /*#__PURE__*/Object.freeze({ - __proto__: null, - isReal: isReal, - isEl: isEl, - isInFrame: isInFrame, - createEl: createEl, - textContent: textContent, - prependTo: prependTo, - hasClass: hasClass, - addClass: addClass, - removeClass: removeClass, - toggleClass: toggleClass, - setAttributes: setAttributes, - getAttributes: getAttributes, - getAttribute: getAttribute, - setAttribute: setAttribute, - removeAttribute: removeAttribute, - blockTextSelection: blockTextSelection, - unblockTextSelection: unblockTextSelection, - getBoundingClientRect: getBoundingClientRect, - findPosition: findPosition, - getPointerPosition: getPointerPosition, - isTextNode: isTextNode, - emptyEl: emptyEl, - normalizeContent: normalizeContent, - appendContent: appendContent, - insertContent: insertContent, - isSingleLeftClick: isSingleLeftClick, - $: $, - $$: $$, - computedStyle: computedStyle, - copyStyleSheetsToWindow: copyStyleSheetsToWindow - }); - - /** - * @file setup.js - Functions for setting up a player without - * user interaction based on the data-setup `attribute` of the video tag. - * - * @module setup - */ - let _windowLoaded = false; - let videojs$1; - - /** - * Set up any tags that have a data-setup `attribute` when the player is started. - */ - const autoSetup = function () { - if (videojs$1.options.autoSetup === false) { - return; - } - const vids = Array.prototype.slice.call(document.getElementsByTagName('video')); - const audios = Array.prototype.slice.call(document.getElementsByTagName('audio')); - const divs = Array.prototype.slice.call(document.getElementsByTagName('video-js')); - const mediaEls = vids.concat(audios, divs); - - // Check if any media elements exist - if (mediaEls && mediaEls.length > 0) { - for (let i = 0, e = mediaEls.length; i < e; i++) { - const mediaEl = mediaEls[i]; - - // Check if element exists, has getAttribute func. - if (mediaEl && mediaEl.getAttribute) { - // Make sure this player hasn't already been set up. - if (mediaEl.player === undefined) { - const options = mediaEl.getAttribute('data-setup'); - - // Check if data-setup attr exists. - // We only auto-setup if they've added the data-setup attr. - if (options !== null) { - // Create new video.js instance. - videojs$1(mediaEl); - } - } - - // If getAttribute isn't defined, we need to wait for the DOM. - } else { - autoSetupTimeout(1); - break; - } - } - - // No videos were found, so keep looping unless page is finished loading. - } else if (!_windowLoaded) { - autoSetupTimeout(1); - } - }; - - /** - * Wait until the page is loaded before running autoSetup. This will be called in - * autoSetup if `hasLoaded` returns false. - * - * @param {number} wait - * How long to wait in ms - * - * @param {module:videojs} [vjs] - * The videojs library function - */ - function autoSetupTimeout(wait, vjs) { - // Protect against breakage in non-browser environments - if (!isReal()) { - return; - } - if (vjs) { - videojs$1 = vjs; - } - window.setTimeout(autoSetup, wait); - } - - /** - * Used to set the internal tracking of window loaded state to true. - * - * @private - */ - function setWindowLoaded() { - _windowLoaded = true; - window.removeEventListener('load', setWindowLoaded); - } - if (isReal()) { - if (document.readyState === 'complete') { - setWindowLoaded(); - } else { - /** - * Listen for the load event on window, and set _windowLoaded to true. - * - * We use a standard event listener here to avoid incrementing the GUID - * before any players are created. - * - * @listens load - */ - window.addEventListener('load', setWindowLoaded); - } - } - - /** - * @file stylesheet.js - * @module stylesheet - */ - - /** - * Create a DOM style element given a className for it. - * - * @param {string} className - * The className to add to the created style element. - * - * @return {Element} - * The element that was created. - */ - const createStyleElement = function (className) { - const style = document.createElement('style'); - style.className = className; - return style; - }; - - /** - * Add text to a DOM element. - * - * @param {Element} el - * The Element to add text content to. - * - * @param {string} content - * The text to add to the element. - */ - const setTextContent = function (el, content) { - if (el.styleSheet) { - el.styleSheet.cssText = content; - } else { - el.textContent = content; - } - }; - - /** - * @file dom-data.js - * @module dom-data - */ - - /** - * Element Data Store. - * - * Allows for binding data to an element without putting it directly on the - * element. Ex. Event listeners are stored here. - * (also from jsninja.com, slightly modified and updated for closure compiler) - * - * @type {Object} - * @private - */ - var DomData = new WeakMap(); - - /** - * @file guid.js - * @module guid - */ - - // Default value for GUIDs. This allows us to reset the GUID counter in tests. - // - // The initial GUID is 3 because some users have come to rely on the first - // default player ID ending up as `vjs_video_3`. - // - // See: https://github.com/videojs/video.js/pull/6216 - const _initialGuid = 3; - - /** - * Unique ID for an element or function - * - * @type {Number} - */ - let _guid = _initialGuid; - - /** - * Get a unique auto-incrementing ID by number that has not been returned before. - * - * @return {number} - * A new unique ID. - */ - function newGUID() { - return _guid++; - } - - /** - * @file events.js. An Event System (John Resig - Secrets of a JS Ninja http://jsninja.com/) - * (Original book version wasn't completely usable, so fixed some things and made Closure Compiler compatible) - * This should work very similarly to jQuery's events, however it's based off the book version which isn't as - * robust as jquery's, so there's probably some differences. - * - * @file events.js - * @module events - */ - - /** - * Clean up the listener cache and dispatchers - * - * @param {Element|Object} elem - * Element to clean up - * - * @param {string} type - * Type of event to clean up - */ - function _cleanUpEvents(elem, type) { - if (!DomData.has(elem)) { - return; - } - const data = DomData.get(elem); - - // Remove the events of a particular type if there are none left - if (data.handlers[type].length === 0) { - delete data.handlers[type]; - // data.handlers[type] = null; - // Setting to null was causing an error with data.handlers - - // Remove the meta-handler from the element - if (elem.removeEventListener) { - elem.removeEventListener(type, data.dispatcher, false); - } else if (elem.detachEvent) { - elem.detachEvent('on' + type, data.dispatcher); - } - } - - // Remove the events object if there are no types left - if (Object.getOwnPropertyNames(data.handlers).length <= 0) { - delete data.handlers; - delete data.dispatcher; - delete data.disabled; - } - - // Finally remove the element data if there is no data left - if (Object.getOwnPropertyNames(data).length === 0) { - DomData.delete(elem); - } - } - - /** - * Loops through an array of event types and calls the requested method for each type. - * - * @param {Function} fn - * The event method we want to use. - * - * @param {Element|Object} elem - * Element or object to bind listeners to - * - * @param {string[]} types - * Type of event to bind to. - * - * @param {Function} callback - * Event listener. - */ - function _handleMultipleEvents(fn, elem, types, callback) { - types.forEach(function (type) { - // Call the event method for each one of the types - fn(elem, type, callback); - }); - } - - /** - * Fix a native event to have standard property values - * - * @param {Object} event - * Event object to fix. - * - * @return {Object} - * Fixed event object. - */ - function fixEvent(event) { - if (event.fixed_) { - return event; - } - function returnTrue() { - return true; - } - function returnFalse() { - return false; - } - - // Test if fixing up is needed - // Used to check if !event.stopPropagation instead of isPropagationStopped - // But native events return true for stopPropagation, but don't have - // other expected methods like isPropagationStopped. Seems to be a problem - // with the Javascript Ninja code. So we're just overriding all events now. - if (!event || !event.isPropagationStopped || !event.isImmediatePropagationStopped) { - const old = event || window.event; - event = {}; - // Clone the old object so that we can modify the values event = {}; - // IE8 Doesn't like when you mess with native event properties - // Firefox returns false for event.hasOwnProperty('type') and other props - // which makes copying more difficult. - // TODO: Probably best to create a whitelist of event props - for (const key in old) { - // Safari 6.0.3 warns you if you try to copy deprecated layerX/Y - // Chrome warns you if you try to copy deprecated keyboardEvent.keyLocation - // and webkitMovementX/Y - // Lighthouse complains if Event.path is copied - if (key !== 'layerX' && key !== 'layerY' && key !== 'keyLocation' && key !== 'webkitMovementX' && key !== 'webkitMovementY' && key !== 'path') { - // Chrome 32+ warns if you try to copy deprecated returnValue, but - // we still want to if preventDefault isn't supported (IE8). - if (!(key === 'returnValue' && old.preventDefault)) { - event[key] = old[key]; - } - } - } - - // The event occurred on this element - if (!event.target) { - event.target = event.srcElement || document; - } - - // Handle which other element the event is related to - if (!event.relatedTarget) { - event.relatedTarget = event.fromElement === event.target ? event.toElement : event.fromElement; - } - - // Stop the default browser action - event.preventDefault = function () { - if (old.preventDefault) { - old.preventDefault(); - } - event.returnValue = false; - old.returnValue = false; - event.defaultPrevented = true; - }; - event.defaultPrevented = false; - - // Stop the event from bubbling - event.stopPropagation = function () { - if (old.stopPropagation) { - old.stopPropagation(); - } - event.cancelBubble = true; - old.cancelBubble = true; - event.isPropagationStopped = returnTrue; - }; - event.isPropagationStopped = returnFalse; - - // Stop the event from bubbling and executing other handlers - event.stopImmediatePropagation = function () { - if (old.stopImmediatePropagation) { - old.stopImmediatePropagation(); - } - event.isImmediatePropagationStopped = returnTrue; - event.stopPropagation(); - }; - event.isImmediatePropagationStopped = returnFalse; - - // Handle mouse position - if (event.clientX !== null && event.clientX !== undefined) { - const doc = document.documentElement; - const body = document.body; - event.pageX = event.clientX + (doc && doc.scrollLeft || body && body.scrollLeft || 0) - (doc && doc.clientLeft || body && body.clientLeft || 0); - event.pageY = event.clientY + (doc && doc.scrollTop || body && body.scrollTop || 0) - (doc && doc.clientTop || body && body.clientTop || 0); - } - - // Handle key presses - event.which = event.charCode || event.keyCode; - - // Fix button for mouse clicks: - // 0 == left; 1 == middle; 2 == right - if (event.button !== null && event.button !== undefined) { - // The following is disabled because it does not pass videojs-standard - // and... yikes. - /* eslint-disable */ - event.button = event.button & 1 ? 0 : event.button & 4 ? 1 : event.button & 2 ? 2 : 0; - /* eslint-enable */ - } - } - - event.fixed_ = true; - // Returns fixed-up instance - return event; - } - - /** - * Whether passive event listeners are supported - */ - let _supportsPassive; - const supportsPassive = function () { - if (typeof _supportsPassive !== 'boolean') { - _supportsPassive = false; - try { - const opts = Object.defineProperty({}, 'passive', { - get() { - _supportsPassive = true; - } - }); - window.addEventListener('test', null, opts); - window.removeEventListener('test', null, opts); - } catch (e) { - // disregard - } - } - return _supportsPassive; - }; - - /** - * Touch events Chrome expects to be passive - */ - const passiveEvents = ['touchstart', 'touchmove']; - - /** - * Add an event listener to element - * It stores the handler function in a separate cache object - * and adds a generic handler to the element's event, - * along with a unique id (guid) to the element. - * - * @param {Element|Object} elem - * Element or object to bind listeners to - * - * @param {string|string[]} type - * Type of event to bind to. - * - * @param {Function} fn - * Event listener. - */ - function on(elem, type, fn) { - if (Array.isArray(type)) { - return _handleMultipleEvents(on, elem, type, fn); - } - if (!DomData.has(elem)) { - DomData.set(elem, {}); - } - const data = DomData.get(elem); - - // We need a place to store all our handler data - if (!data.handlers) { - data.handlers = {}; - } - if (!data.handlers[type]) { - data.handlers[type] = []; - } - if (!fn.guid) { - fn.guid = newGUID(); - } - data.handlers[type].push(fn); - if (!data.dispatcher) { - data.disabled = false; - data.dispatcher = function (event, hash) { - if (data.disabled) { - return; - } - event = fixEvent(event); - const handlers = data.handlers[event.type]; - if (handlers) { - // Copy handlers so if handlers are added/removed during the process it doesn't throw everything off. - const handlersCopy = handlers.slice(0); - for (let m = 0, n = handlersCopy.length; m < n; m++) { - if (event.isImmediatePropagationStopped()) { - break; - } else { - try { - handlersCopy[m].call(elem, event, hash); - } catch (e) { - log.error(e); - } - } - } - } - }; - } - if (data.handlers[type].length === 1) { - if (elem.addEventListener) { - let options = false; - if (supportsPassive() && passiveEvents.indexOf(type) > -1) { - options = { - passive: true - }; - } - elem.addEventListener(type, data.dispatcher, options); - } else if (elem.attachEvent) { - elem.attachEvent('on' + type, data.dispatcher); - } - } - } - - /** - * Removes event listeners from an element - * - * @param {Element|Object} elem - * Object to remove listeners from. - * - * @param {string|string[]} [type] - * Type of listener to remove. Don't include to remove all events from element. - * - * @param {Function} [fn] - * Specific listener to remove. Don't include to remove listeners for an event - * type. - */ - function off(elem, type, fn) { - // Don't want to add a cache object through getElData if not needed - if (!DomData.has(elem)) { - return; - } - const data = DomData.get(elem); - - // If no events exist, nothing to unbind - if (!data.handlers) { - return; - } - if (Array.isArray(type)) { - return _handleMultipleEvents(off, elem, type, fn); - } - - // Utility function - const removeType = function (el, t) { - data.handlers[t] = []; - _cleanUpEvents(el, t); - }; - - // Are we removing all bound events? - if (type === undefined) { - for (const t in data.handlers) { - if (Object.prototype.hasOwnProperty.call(data.handlers || {}, t)) { - removeType(elem, t); - } - } - return; - } - const handlers = data.handlers[type]; - - // If no handlers exist, nothing to unbind - if (!handlers) { - return; - } - - // If no listener was provided, remove all listeners for type - if (!fn) { - removeType(elem, type); - return; - } - - // We're only removing a single handler - if (fn.guid) { - for (let n = 0; n < handlers.length; n++) { - if (handlers[n].guid === fn.guid) { - handlers.splice(n--, 1); - } - } - } - _cleanUpEvents(elem, type); - } - - /** - * Trigger an event for an element - * - * @param {Element|Object} elem - * Element to trigger an event on - * - * @param {EventTarget~Event|string} event - * A string (the type) or an event object with a type attribute - * - * @param {Object} [hash] - * data hash to pass along with the event - * - * @return {boolean|undefined} - * Returns the opposite of `defaultPrevented` if default was - * prevented. Otherwise, returns `undefined` - */ - function trigger(elem, event, hash) { - // Fetches element data and a reference to the parent (for bubbling). - // Don't want to add a data object to cache for every parent, - // so checking hasElData first. - const elemData = DomData.has(elem) ? DomData.get(elem) : {}; - const parent = elem.parentNode || elem.ownerDocument; - // type = event.type || event, - // handler; - - // If an event name was passed as a string, creates an event out of it - if (typeof event === 'string') { - event = { - type: event, - target: elem - }; - } else if (!event.target) { - event.target = elem; - } - - // Normalizes the event properties. - event = fixEvent(event); - - // If the passed element has a dispatcher, executes the established handlers. - if (elemData.dispatcher) { - elemData.dispatcher.call(elem, event, hash); - } - - // Unless explicitly stopped or the event does not bubble (e.g. media events) - // recursively calls this function to bubble the event up the DOM. - if (parent && !event.isPropagationStopped() && event.bubbles === true) { - trigger.call(null, parent, event, hash); - - // If at the top of the DOM, triggers the default action unless disabled. - } else if (!parent && !event.defaultPrevented && event.target && event.target[event.type]) { - if (!DomData.has(event.target)) { - DomData.set(event.target, {}); - } - const targetData = DomData.get(event.target); - - // Checks if the target has a default action for this event. - if (event.target[event.type]) { - // Temporarily disables event dispatching on the target as we have already executed the handler. - targetData.disabled = true; - // Executes the default action. - if (typeof event.target[event.type] === 'function') { - event.target[event.type](); - } - // Re-enables event dispatching. - targetData.disabled = false; - } - } - - // Inform the triggerer if the default was prevented by returning false - return !event.defaultPrevented; - } - - /** - * Trigger a listener only once for an event. - * - * @param {Element|Object} elem - * Element or object to bind to. - * - * @param {string|string[]} type - * Name/type of event - * - * @param {Event~EventListener} fn - * Event listener function - */ - function one(elem, type, fn) { - if (Array.isArray(type)) { - return _handleMultipleEvents(one, elem, type, fn); - } - const func = function () { - off(elem, type, func); - fn.apply(this, arguments); - }; - - // copy the guid to the new function so it can removed using the original function's ID - func.guid = fn.guid = fn.guid || newGUID(); - on(elem, type, func); - } - - /** - * Trigger a listener only once and then turn if off for all - * configured events - * - * @param {Element|Object} elem - * Element or object to bind to. - * - * @param {string|string[]} type - * Name/type of event - * - * @param {Event~EventListener} fn - * Event listener function - */ - function any(elem, type, fn) { - const func = function () { - off(elem, type, func); - fn.apply(this, arguments); - }; - - // copy the guid to the new function so it can removed using the original function's ID - func.guid = fn.guid = fn.guid || newGUID(); - - // multiple ons, but one off for everything - on(elem, type, func); - } - - var Events = /*#__PURE__*/Object.freeze({ - __proto__: null, - fixEvent: fixEvent, - on: on, - off: off, - trigger: trigger, - one: one, - any: any - }); - - /** - * @file fn.js - * @module fn - */ - const UPDATE_REFRESH_INTERVAL = 30; - - /** - * A private, internal-only function for changing the context of a function. - * - * It also stores a unique id on the function so it can be easily removed from - * events. - * - * @private - * @function - * @param {*} context - * The object to bind as scope. - * - * @param {Function} fn - * The function to be bound to a scope. - * - * @param {number} [uid] - * An optional unique ID for the function to be set - * - * @return {Function} - * The new function that will be bound into the context given - */ - const bind_ = function (context, fn, uid) { - // Make sure the function has a unique ID - if (!fn.guid) { - fn.guid = newGUID(); - } - - // Create the new function that changes the context - const bound = fn.bind(context); - - // Allow for the ability to individualize this function - // Needed in the case where multiple objects might share the same prototype - // IF both items add an event listener with the same function, then you try to remove just one - // it will remove both because they both have the same guid. - // when using this, you need to use the bind method when you remove the listener as well. - // currently used in text tracks - bound.guid = uid ? uid + '_' + fn.guid : fn.guid; - return bound; - }; - - /** - * Wraps the given function, `fn`, with a new function that only invokes `fn` - * at most once per every `wait` milliseconds. - * - * @function - * @param {Function} fn - * The function to be throttled. - * - * @param {number} wait - * The number of milliseconds by which to throttle. - * - * @return {Function} - */ - const throttle = function (fn, wait) { - let last = window.performance.now(); - const throttled = function (...args) { - const now = window.performance.now(); - if (now - last >= wait) { - fn(...args); - last = now; - } - }; - return throttled; - }; - - /** - * Creates a debounced function that delays invoking `func` until after `wait` - * milliseconds have elapsed since the last time the debounced function was - * invoked. - * - * Inspired by lodash and underscore implementations. - * - * @function - * @param {Function} func - * The function to wrap with debounce behavior. - * - * @param {number} wait - * The number of milliseconds to wait after the last invocation. - * - * @param {boolean} [immediate] - * Whether or not to invoke the function immediately upon creation. - * - * @param {Object} [context=window] - * The "context" in which the debounced function should debounce. For - * example, if this function should be tied to a Video.js player, - * the player can be passed here. Alternatively, defaults to the - * global `window` object. - * - * @return {Function} - * A debounced function. - */ - const debounce = function (func, wait, immediate, context = window) { - let timeout; - const cancel = () => { - context.clearTimeout(timeout); - timeout = null; - }; - - /* eslint-disable consistent-this */ - const debounced = function () { - const self = this; - const args = arguments; - let later = function () { - timeout = null; - later = null; - if (!immediate) { - func.apply(self, args); - } - }; - if (!timeout && immediate) { - func.apply(self, args); - } - context.clearTimeout(timeout); - timeout = context.setTimeout(later, wait); - }; - /* eslint-enable consistent-this */ - - debounced.cancel = cancel; - return debounced; - }; - - var Fn = /*#__PURE__*/Object.freeze({ - __proto__: null, - UPDATE_REFRESH_INTERVAL: UPDATE_REFRESH_INTERVAL, - bind_: bind_, - throttle: throttle, - debounce: debounce - }); - - /** - * @file src/js/event-target.js - */ - let EVENT_MAP; - - /** - * `EventTarget` is a class that can have the same API as the DOM `EventTarget`. It - * adds shorthand functions that wrap around lengthy functions. For example: - * the `on` function is a wrapper around `addEventListener`. - * - * @see [EventTarget Spec]{@link https://www.w3.org/TR/DOM-Level-2-Events/events.html#Events-EventTarget} - * @class EventTarget - */ - class EventTarget { - /** - * Adds an `event listener` to an instance of an `EventTarget`. An `event listener` is a - * function that will get called when an event with a certain name gets triggered. - * - * @param {string|string[]} type - * An event name or an array of event names. - * - * @param {Function} fn - * The function to call with `EventTarget`s - */ - on(type, fn) { - // Remove the addEventListener alias before calling Events.on - // so we don't get into an infinite type loop - const ael = this.addEventListener; - this.addEventListener = () => {}; - on(this, type, fn); - this.addEventListener = ael; - } - /** - * Removes an `event listener` for a specific event from an instance of `EventTarget`. - * This makes it so that the `event listener` will no longer get called when the - * named event happens. - * - * @param {string|string[]} type - * An event name or an array of event names. - * - * @param {Function} fn - * The function to remove. - */ - off(type, fn) { - off(this, type, fn); - } - /** - * This function will add an `event listener` that gets triggered only once. After the - * first trigger it will get removed. This is like adding an `event listener` - * with {@link EventTarget#on} that calls {@link EventTarget#off} on itself. - * - * @param {string|string[]} type - * An event name or an array of event names. - * - * @param {Function} fn - * The function to be called once for each event name. - */ - one(type, fn) { - // Remove the addEventListener aliasing Events.on - // so we don't get into an infinite type loop - const ael = this.addEventListener; - this.addEventListener = () => {}; - one(this, type, fn); - this.addEventListener = ael; - } - /** - * This function will add an `event listener` that gets triggered only once and is - * removed from all events. This is like adding an array of `event listener`s - * with {@link EventTarget#on} that calls {@link EventTarget#off} on all events the - * first time it is triggered. - * - * @param {string|string[]} type - * An event name or an array of event names. - * - * @param {Function} fn - * The function to be called once for each event name. - */ - any(type, fn) { - // Remove the addEventListener aliasing Events.on - // so we don't get into an infinite type loop - const ael = this.addEventListener; - this.addEventListener = () => {}; - any(this, type, fn); - this.addEventListener = ael; - } - /** - * This function causes an event to happen. This will then cause any `event listeners` - * that are waiting for that event, to get called. If there are no `event listeners` - * for an event then nothing will happen. - * - * If the name of the `Event` that is being triggered is in `EventTarget.allowedEvents_`. - * Trigger will also call the `on` + `uppercaseEventName` function. - * - * Example: - * 'click' is in `EventTarget.allowedEvents_`, so, trigger will attempt to call - * `onClick` if it exists. - * - * @param {string|EventTarget~Event|Object} event - * The name of the event, an `Event`, or an object with a key of type set to - * an event name. - */ - trigger(event) { - const type = event.type || event; - - // deprecation - // In a future version we should default target to `this` - // similar to how we default the target to `elem` in - // `Events.trigger`. Right now the default `target` will be - // `document` due to the `Event.fixEvent` call. - if (typeof event === 'string') { - event = { - type - }; - } - event = fixEvent(event); - if (this.allowedEvents_[type] && this['on' + type]) { - this['on' + type](event); - } - trigger(this, event); - } - queueTrigger(event) { - // only set up EVENT_MAP if it'll be used - if (!EVENT_MAP) { - EVENT_MAP = new Map(); - } - const type = event.type || event; - let map = EVENT_MAP.get(this); - if (!map) { - map = new Map(); - EVENT_MAP.set(this, map); - } - const oldTimeout = map.get(type); - map.delete(type); - window.clearTimeout(oldTimeout); - const timeout = window.setTimeout(() => { - map.delete(type); - // if we cleared out all timeouts for the current target, delete its map - if (map.size === 0) { - map = null; - EVENT_MAP.delete(this); - } - this.trigger(event); - }, 0); - map.set(type, timeout); - } - } - - /** - * A Custom DOM event. - * - * @typedef {CustomEvent} Event - * @see [Properties]{@link https://developer.mozilla.org/en-US/docs/Web/API/CustomEvent} - */ - - /** - * All event listeners should follow the following format. - * - * @callback EventListener - * @this {EventTarget} - * - * @param {Event} event - * the event that triggered this function - * - * @param {Object} [hash] - * hash of data sent during the event - */ - - /** - * An object containing event names as keys and booleans as values. - * - * > NOTE: If an event name is set to a true value here {@link EventTarget#trigger} - * will have extra functionality. See that function for more information. - * - * @property EventTarget.prototype.allowedEvents_ - * @protected - */ - EventTarget.prototype.allowedEvents_ = {}; - - /** - * An alias of {@link EventTarget#on}. Allows `EventTarget` to mimic - * the standard DOM API. - * - * @function - * @see {@link EventTarget#on} - */ - EventTarget.prototype.addEventListener = EventTarget.prototype.on; - - /** - * An alias of {@link EventTarget#off}. Allows `EventTarget` to mimic - * the standard DOM API. - * - * @function - * @see {@link EventTarget#off} - */ - EventTarget.prototype.removeEventListener = EventTarget.prototype.off; - - /** - * An alias of {@link EventTarget#trigger}. Allows `EventTarget` to mimic - * the standard DOM API. - * - * @function - * @see {@link EventTarget#trigger} - */ - EventTarget.prototype.dispatchEvent = EventTarget.prototype.trigger; - - /** - * @file mixins/evented.js - * @module evented - */ - const objName = obj => { - if (typeof obj.name === 'function') { - return obj.name(); - } - if (typeof obj.name === 'string') { - return obj.name; - } - if (obj.name_) { - return obj.name_; - } - if (obj.constructor && obj.constructor.name) { - return obj.constructor.name; - } - return typeof obj; - }; - - /** - * Returns whether or not an object has had the evented mixin applied. - * - * @param {Object} object - * An object to test. - * - * @return {boolean} - * Whether or not the object appears to be evented. - */ - const isEvented = object => object instanceof EventTarget || !!object.eventBusEl_ && ['on', 'one', 'off', 'trigger'].every(k => typeof object[k] === 'function'); - - /** - * Adds a callback to run after the evented mixin applied. - * - * @param {Object} target - * An object to Add - * @param {Function} callback - * The callback to run. - */ - const addEventedCallback = (target, callback) => { - if (isEvented(target)) { - callback(); - } else { - if (!target.eventedCallbacks) { - target.eventedCallbacks = []; - } - target.eventedCallbacks.push(callback); - } - }; - - /** - * Whether a value is a valid event type - non-empty string or array. - * - * @private - * @param {string|Array} type - * The type value to test. - * - * @return {boolean} - * Whether or not the type is a valid event type. - */ - const isValidEventType = type => - // The regex here verifies that the `type` contains at least one non- - // whitespace character. - typeof type === 'string' && /\S/.test(type) || Array.isArray(type) && !!type.length; - - /** - * Validates a value to determine if it is a valid event target. Throws if not. - * - * @private - * @throws {Error} - * If the target does not appear to be a valid event target. - * - * @param {Object} target - * The object to test. - * - * @param {Object} obj - * The evented object we are validating for - * - * @param {string} fnName - * The name of the evented mixin function that called this. - */ - const validateTarget = (target, obj, fnName) => { - if (!target || !target.nodeName && !isEvented(target)) { - throw new Error(`Invalid target for ${objName(obj)}#${fnName}; must be a DOM node or evented object.`); - } - }; - - /** - * Validates a value to determine if it is a valid event target. Throws if not. - * - * @private - * @throws {Error} - * If the type does not appear to be a valid event type. - * - * @param {string|Array} type - * The type to test. - * - * @param {Object} obj - * The evented object we are validating for - * - * @param {string} fnName - * The name of the evented mixin function that called this. - */ - const validateEventType = (type, obj, fnName) => { - if (!isValidEventType(type)) { - throw new Error(`Invalid event type for ${objName(obj)}#${fnName}; must be a non-empty string or array.`); - } - }; - - /** - * Validates a value to determine if it is a valid listener. Throws if not. - * - * @private - * @throws {Error} - * If the listener is not a function. - * - * @param {Function} listener - * The listener to test. - * - * @param {Object} obj - * The evented object we are validating for - * - * @param {string} fnName - * The name of the evented mixin function that called this. - */ - const validateListener = (listener, obj, fnName) => { - if (typeof listener !== 'function') { - throw new Error(`Invalid listener for ${objName(obj)}#${fnName}; must be a function.`); - } - }; - - /** - * Takes an array of arguments given to `on()` or `one()`, validates them, and - * normalizes them into an object. - * - * @private - * @param {Object} self - * The evented object on which `on()` or `one()` was called. This - * object will be bound as the `this` value for the listener. - * - * @param {Array} args - * An array of arguments passed to `on()` or `one()`. - * - * @param {string} fnName - * The name of the evented mixin function that called this. - * - * @return {Object} - * An object containing useful values for `on()` or `one()` calls. - */ - const normalizeListenArgs = (self, args, fnName) => { - // If the number of arguments is less than 3, the target is always the - // evented object itself. - const isTargetingSelf = args.length < 3 || args[0] === self || args[0] === self.eventBusEl_; - let target; - let type; - let listener; - if (isTargetingSelf) { - target = self.eventBusEl_; - - // Deal with cases where we got 3 arguments, but we are still listening to - // the evented object itself. - if (args.length >= 3) { - args.shift(); - } - [type, listener] = args; - } else { - [target, type, listener] = args; - } - validateTarget(target, self, fnName); - validateEventType(type, self, fnName); - validateListener(listener, self, fnName); - listener = bind_(self, listener); - return { - isTargetingSelf, - target, - type, - listener - }; - }; - - /** - * Adds the listener to the event type(s) on the target, normalizing for - * the type of target. - * - * @private - * @param {Element|Object} target - * A DOM node or evented object. - * - * @param {string} method - * The event binding method to use ("on" or "one"). - * - * @param {string|Array} type - * One or more event type(s). - * - * @param {Function} listener - * A listener function. - */ - const listen = (target, method, type, listener) => { - validateTarget(target, target, method); - if (target.nodeName) { - Events[method](target, type, listener); - } else { - target[method](type, listener); - } - }; - - /** - * Contains methods that provide event capabilities to an object which is passed - * to {@link module:evented|evented}. - * - * @mixin EventedMixin - */ - const EventedMixin = { - /** - * Add a listener to an event (or events) on this object or another evented - * object. - * - * @param {string|Array|Element|Object} targetOrType - * If this is a string or array, it represents the event type(s) - * that will trigger the listener. - * - * Another evented object can be passed here instead, which will - * cause the listener to listen for events on _that_ object. - * - * In either case, the listener's `this` value will be bound to - * this object. - * - * @param {string|Array|Function} typeOrListener - * If the first argument was a string or array, this should be the - * listener function. Otherwise, this is a string or array of event - * type(s). - * - * @param {Function} [listener] - * If the first argument was another evented object, this will be - * the listener function. - */ - on(...args) { - const { - isTargetingSelf, - target, - type, - listener - } = normalizeListenArgs(this, args, 'on'); - listen(target, 'on', type, listener); - - // If this object is listening to another evented object. - if (!isTargetingSelf) { - // If this object is disposed, remove the listener. - const removeListenerOnDispose = () => this.off(target, type, listener); - - // Use the same function ID as the listener so we can remove it later it - // using the ID of the original listener. - removeListenerOnDispose.guid = listener.guid; - - // Add a listener to the target's dispose event as well. This ensures - // that if the target is disposed BEFORE this object, we remove the - // removal listener that was just added. Otherwise, we create a memory leak. - const removeRemoverOnTargetDispose = () => this.off('dispose', removeListenerOnDispose); - - // Use the same function ID as the listener so we can remove it later - // it using the ID of the original listener. - removeRemoverOnTargetDispose.guid = listener.guid; - listen(this, 'on', 'dispose', removeListenerOnDispose); - listen(target, 'on', 'dispose', removeRemoverOnTargetDispose); - } - }, - /** - * Add a listener to an event (or events) on this object or another evented - * object. The listener will be called once per event and then removed. - * - * @param {string|Array|Element|Object} targetOrType - * If this is a string or array, it represents the event type(s) - * that will trigger the listener. - * - * Another evented object can be passed here instead, which will - * cause the listener to listen for events on _that_ object. - * - * In either case, the listener's `this` value will be bound to - * this object. - * - * @param {string|Array|Function} typeOrListener - * If the first argument was a string or array, this should be the - * listener function. Otherwise, this is a string or array of event - * type(s). - * - * @param {Function} [listener] - * If the first argument was another evented object, this will be - * the listener function. - */ - one(...args) { - const { - isTargetingSelf, - target, - type, - listener - } = normalizeListenArgs(this, args, 'one'); - - // Targeting this evented object. - if (isTargetingSelf) { - listen(target, 'one', type, listener); - - // Targeting another evented object. - } else { - // TODO: This wrapper is incorrect! It should only - // remove the wrapper for the event type that called it. - // Instead all listeners are removed on the first trigger! - // see https://github.com/videojs/video.js/issues/5962 - const wrapper = (...largs) => { - this.off(target, type, wrapper); - listener.apply(null, largs); - }; - - // Use the same function ID as the listener so we can remove it later - // it using the ID of the original listener. - wrapper.guid = listener.guid; - listen(target, 'one', type, wrapper); - } - }, - /** - * Add a listener to an event (or events) on this object or another evented - * object. The listener will only be called once for the first event that is triggered - * then removed. - * - * @param {string|Array|Element|Object} targetOrType - * If this is a string or array, it represents the event type(s) - * that will trigger the listener. - * - * Another evented object can be passed here instead, which will - * cause the listener to listen for events on _that_ object. - * - * In either case, the listener's `this` value will be bound to - * this object. - * - * @param {string|Array|Function} typeOrListener - * If the first argument was a string or array, this should be the - * listener function. Otherwise, this is a string or array of event - * type(s). - * - * @param {Function} [listener] - * If the first argument was another evented object, this will be - * the listener function. - */ - any(...args) { - const { - isTargetingSelf, - target, - type, - listener - } = normalizeListenArgs(this, args, 'any'); - - // Targeting this evented object. - if (isTargetingSelf) { - listen(target, 'any', type, listener); - - // Targeting another evented object. - } else { - const wrapper = (...largs) => { - this.off(target, type, wrapper); - listener.apply(null, largs); - }; - - // Use the same function ID as the listener so we can remove it later - // it using the ID of the original listener. - wrapper.guid = listener.guid; - listen(target, 'any', type, wrapper); - } - }, - /** - * Removes listener(s) from event(s) on an evented object. - * - * @param {string|Array|Element|Object} [targetOrType] - * If this is a string or array, it represents the event type(s). - * - * Another evented object can be passed here instead, in which case - * ALL 3 arguments are _required_. - * - * @param {string|Array|Function} [typeOrListener] - * If the first argument was a string or array, this may be the - * listener function. Otherwise, this is a string or array of event - * type(s). - * - * @param {Function} [listener] - * If the first argument was another evented object, this will be - * the listener function; otherwise, _all_ listeners bound to the - * event type(s) will be removed. - */ - off(targetOrType, typeOrListener, listener) { - // Targeting this evented object. - if (!targetOrType || isValidEventType(targetOrType)) { - off(this.eventBusEl_, targetOrType, typeOrListener); - - // Targeting another evented object. - } else { - const target = targetOrType; - const type = typeOrListener; - - // Fail fast and in a meaningful way! - validateTarget(target, this, 'off'); - validateEventType(type, this, 'off'); - validateListener(listener, this, 'off'); - - // Ensure there's at least a guid, even if the function hasn't been used - listener = bind_(this, listener); - - // Remove the dispose listener on this evented object, which was given - // the same guid as the event listener in on(). - this.off('dispose', listener); - if (target.nodeName) { - off(target, type, listener); - off(target, 'dispose', listener); - } else if (isEvented(target)) { - target.off(type, listener); - target.off('dispose', listener); - } - } - }, - /** - * Fire an event on this evented object, causing its listeners to be called. - * - * @param {string|Object} event - * An event type or an object with a type property. - * - * @param {Object} [hash] - * An additional object to pass along to listeners. - * - * @return {boolean} - * Whether or not the default behavior was prevented. - */ - trigger(event, hash) { - validateTarget(this.eventBusEl_, this, 'trigger'); - const type = event && typeof event !== 'string' ? event.type : event; - if (!isValidEventType(type)) { - throw new Error(`Invalid event type for ${objName(this)}#trigger; ` + 'must be a non-empty string or object with a type key that has a non-empty value.'); - } - return trigger(this.eventBusEl_, event, hash); - } - }; - - /** - * Applies {@link module:evented~EventedMixin|EventedMixin} to a target object. - * - * @param {Object} target - * The object to which to add event methods. - * - * @param {Object} [options={}] - * Options for customizing the mixin behavior. - * - * @param {string} [options.eventBusKey] - * By default, adds a `eventBusEl_` DOM element to the target object, - * which is used as an event bus. If the target object already has a - * DOM element that should be used, pass its key here. - * - * @return {Object} - * The target object. - */ - function evented(target, options = {}) { - const { - eventBusKey - } = options; - - // Set or create the eventBusEl_. - if (eventBusKey) { - if (!target[eventBusKey].nodeName) { - throw new Error(`The eventBusKey "${eventBusKey}" does not refer to an element.`); - } - target.eventBusEl_ = target[eventBusKey]; - } else { - target.eventBusEl_ = createEl('span', { - className: 'vjs-event-bus' - }); - } - Object.assign(target, EventedMixin); - if (target.eventedCallbacks) { - target.eventedCallbacks.forEach(callback => { - callback(); - }); - } - - // When any evented object is disposed, it removes all its listeners. - target.on('dispose', () => { - target.off(); - [target, target.el_, target.eventBusEl_].forEach(function (val) { - if (val && DomData.has(val)) { - DomData.delete(val); - } - }); - window.setTimeout(() => { - target.eventBusEl_ = null; - }, 0); - }); - return target; - } - - /** - * @file mixins/stateful.js - * @module stateful - */ - - /** - * Contains methods that provide statefulness to an object which is passed - * to {@link module:stateful}. - * - * @mixin StatefulMixin - */ - const StatefulMixin = { - /** - * A hash containing arbitrary keys and values representing the state of - * the object. - * - * @type {Object} - */ - state: {}, - /** - * Set the state of an object by mutating its - * {@link module:stateful~StatefulMixin.state|state} object in place. - * - * @fires module:stateful~StatefulMixin#statechanged - * @param {Object|Function} stateUpdates - * A new set of properties to shallow-merge into the plugin state. - * Can be a plain object or a function returning a plain object. - * - * @return {Object|undefined} - * An object containing changes that occurred. If no changes - * occurred, returns `undefined`. - */ - setState(stateUpdates) { - // Support providing the `stateUpdates` state as a function. - if (typeof stateUpdates === 'function') { - stateUpdates = stateUpdates(); - } - let changes; - each(stateUpdates, (value, key) => { - // Record the change if the value is different from what's in the - // current state. - if (this.state[key] !== value) { - changes = changes || {}; - changes[key] = { - from: this.state[key], - to: value - }; - } - this.state[key] = value; - }); - - // Only trigger "statechange" if there were changes AND we have a trigger - // function. This allows us to not require that the target object be an - // evented object. - if (changes && isEvented(this)) { - /** - * An event triggered on an object that is both - * {@link module:stateful|stateful} and {@link module:evented|evented} - * indicating that its state has changed. - * - * @event module:stateful~StatefulMixin#statechanged - * @type {Object} - * @property {Object} changes - * A hash containing the properties that were changed and - * the values they were changed `from` and `to`. - */ - this.trigger({ - changes, - type: 'statechanged' - }); - } - return changes; - } - }; - - /** - * Applies {@link module:stateful~StatefulMixin|StatefulMixin} to a target - * object. - * - * If the target object is {@link module:evented|evented} and has a - * `handleStateChanged` method, that method will be automatically bound to the - * `statechanged` event on itself. - * - * @param {Object} target - * The object to be made stateful. - * - * @param {Object} [defaultState] - * A default set of properties to populate the newly-stateful object's - * `state` property. - * - * @return {Object} - * Returns the `target`. - */ - function stateful(target, defaultState) { - Object.assign(target, StatefulMixin); - - // This happens after the mixing-in because we need to replace the `state` - // added in that step. - target.state = Object.assign({}, target.state, defaultState); - - // Auto-bind the `handleStateChanged` method of the target object if it exists. - if (typeof target.handleStateChanged === 'function' && isEvented(target)) { - target.on('statechanged', target.handleStateChanged); - } - return target; - } - - /** - * @file str.js - * @module to-lower-case - */ - - /** - * Lowercase the first letter of a string. - * - * @param {string} string - * String to be lowercased - * - * @return {string} - * The string with a lowercased first letter - */ - const toLowerCase = function (string) { - if (typeof string !== 'string') { - return string; - } - return string.replace(/./, w => w.toLowerCase()); - }; - - /** - * Uppercase the first letter of a string. - * - * @param {string} string - * String to be uppercased - * - * @return {string} - * The string with an uppercased first letter - */ - const toTitleCase = function (string) { - if (typeof string !== 'string') { - return string; - } - return string.replace(/./, w => w.toUpperCase()); - }; - - /** - * Compares the TitleCase versions of the two strings for equality. - * - * @param {string} str1 - * The first string to compare - * - * @param {string} str2 - * The second string to compare - * - * @return {boolean} - * Whether the TitleCase versions of the strings are equal - */ - const titleCaseEquals = function (str1, str2) { - return toTitleCase(str1) === toTitleCase(str2); - }; - - var Str = /*#__PURE__*/Object.freeze({ - __proto__: null, - toLowerCase: toLowerCase, - toTitleCase: toTitleCase, - titleCaseEquals: titleCaseEquals - }); - - var commonjsGlobal = typeof globalThis !== 'undefined' ? globalThis : typeof window !== 'undefined' ? window : typeof global !== 'undefined' ? global : typeof self !== 'undefined' ? self : {}; - - function unwrapExports (x) { - return x && x.__esModule && Object.prototype.hasOwnProperty.call(x, 'default') ? x['default'] : x; - } - - function createCommonjsModule(fn, module) { - return module = { exports: {} }, fn(module, module.exports), module.exports; - } - - var keycode = createCommonjsModule(function (module, exports) { - // Source: http://jsfiddle.net/vWx8V/ - // http://stackoverflow.com/questions/5603195/full-list-of-javascript-keycodes - - /** - * Conenience method returns corresponding value for given keyName or keyCode. - * - * @param {Mixed} keyCode {Number} or keyName {String} - * @return {Mixed} - * @api public - */ - - function keyCode(searchInput) { - // Keyboard Events - if (searchInput && 'object' === typeof searchInput) { - var hasKeyCode = searchInput.which || searchInput.keyCode || searchInput.charCode; - if (hasKeyCode) searchInput = hasKeyCode; - } - - // Numbers - if ('number' === typeof searchInput) return names[searchInput]; - - // Everything else (cast to string) - var search = String(searchInput); - - // check codes - var foundNamedKey = codes[search.toLowerCase()]; - if (foundNamedKey) return foundNamedKey; - - // check aliases - var foundNamedKey = aliases[search.toLowerCase()]; - if (foundNamedKey) return foundNamedKey; - - // weird character? - if (search.length === 1) return search.charCodeAt(0); - return undefined; - } - - /** - * Compares a keyboard event with a given keyCode or keyName. - * - * @param {Event} event Keyboard event that should be tested - * @param {Mixed} keyCode {Number} or keyName {String} - * @return {Boolean} - * @api public - */ - keyCode.isEventKey = function isEventKey(event, nameOrCode) { - if (event && 'object' === typeof event) { - var keyCode = event.which || event.keyCode || event.charCode; - if (keyCode === null || keyCode === undefined) { - return false; - } - if (typeof nameOrCode === 'string') { - // check codes - var foundNamedKey = codes[nameOrCode.toLowerCase()]; - if (foundNamedKey) { - return foundNamedKey === keyCode; - } - - // check aliases - var foundNamedKey = aliases[nameOrCode.toLowerCase()]; - if (foundNamedKey) { - return foundNamedKey === keyCode; - } - } else if (typeof nameOrCode === 'number') { - return nameOrCode === keyCode; - } - return false; - } - }; - exports = module.exports = keyCode; - - /** - * Get by name - * - * exports.code['enter'] // => 13 - */ - - var codes = exports.code = exports.codes = { - 'backspace': 8, - 'tab': 9, - 'enter': 13, - 'shift': 16, - 'ctrl': 17, - 'alt': 18, - 'pause/break': 19, - 'caps lock': 20, - 'esc': 27, - 'space': 32, - 'page up': 33, - 'page down': 34, - 'end': 35, - 'home': 36, - 'left': 37, - 'up': 38, - 'right': 39, - 'down': 40, - 'insert': 45, - 'delete': 46, - 'command': 91, - 'left command': 91, - 'right command': 93, - 'numpad *': 106, - 'numpad +': 107, - 'numpad -': 109, - 'numpad .': 110, - 'numpad /': 111, - 'num lock': 144, - 'scroll lock': 145, - 'my computer': 182, - 'my calculator': 183, - ';': 186, - '=': 187, - ',': 188, - '-': 189, - '.': 190, - '/': 191, - '`': 192, - '[': 219, - '\\': 220, - ']': 221, - "'": 222 - }; - - // Helper aliases - - var aliases = exports.aliases = { - 'windows': 91, - '⇧': 16, - '⌥': 18, - '⌃': 17, - '⌘': 91, - 'ctl': 17, - 'control': 17, - 'option': 18, - 'pause': 19, - 'break': 19, - 'caps': 20, - 'return': 13, - 'escape': 27, - 'spc': 32, - 'spacebar': 32, - 'pgup': 33, - 'pgdn': 34, - 'ins': 45, - 'del': 46, - 'cmd': 91 - }; - - /*! - * Programatically add the following - */ - - // lower case chars - for (i = 97; i < 123; i++) codes[String.fromCharCode(i)] = i - 32; - - // numbers - for (var i = 48; i < 58; i++) codes[i - 48] = i; - - // function keys - for (i = 1; i < 13; i++) codes['f' + i] = i + 111; - - // numpad keys - for (i = 0; i < 10; i++) codes['numpad ' + i] = i + 96; - - /** - * Get by code - * - * exports.name[13] // => 'Enter' - */ - - var names = exports.names = exports.title = {}; // title for backward compat - - // Create reverse mapping - for (i in codes) names[codes[i]] = i; - - // Add aliases - for (var alias in aliases) { - codes[alias] = aliases[alias]; - } - }); - keycode.code; - keycode.codes; - keycode.aliases; - keycode.names; - keycode.title; - - /** - * Player Component - Base class for all UI objects - * - * @file component.js - */ - - /** - * Base class for all UI Components. - * Components are UI objects which represent both a javascript object and an element - * in the DOM. They can be children of other components, and can have - * children themselves. - * - * Components can also use methods from {@link EventTarget} - */ - class Component { - /** - * A callback that is called when a component is ready. Does not have any - * parameters and any callback value will be ignored. - * - * @callback ReadyCallback - * @this Component - */ - - /** - * Creates an instance of this class. - * - * @param { import('./player').default } player - * The `Player` that this class should be attached to. - * - * @param {Object} [options] - * The key/value store of component options. - * - * @param {Object[]} [options.children] - * An array of children objects to initialize this component with. Children objects have - * a name property that will be used if more than one component of the same type needs to be - * added. - * - * @param {string} [options.className] - * A class or space separated list of classes to add the component - * - * @param {ReadyCallback} [ready] - * Function that gets called when the `Component` is ready. - */ - constructor(player, options, ready) { - // The component might be the player itself and we can't pass `this` to super - if (!player && this.play) { - this.player_ = player = this; // eslint-disable-line - } else { - this.player_ = player; - } - this.isDisposed_ = false; - - // Hold the reference to the parent component via `addChild` method - this.parentComponent_ = null; - - // Make a copy of prototype.options_ to protect against overriding defaults - this.options_ = merge({}, this.options_); - - // Updated options with supplied options - options = this.options_ = merge(this.options_, options); - - // Get ID from options or options element if one is supplied - this.id_ = options.id || options.el && options.el.id; - - // If there was no ID from the options, generate one - if (!this.id_) { - // Don't require the player ID function in the case of mock players - const id = player && player.id && player.id() || 'no_player'; - this.id_ = `${id}_component_${newGUID()}`; - } - this.name_ = options.name || null; - - // Create element if one wasn't provided in options - if (options.el) { - this.el_ = options.el; - } else if (options.createEl !== false) { - this.el_ = this.createEl(); - } - if (options.className && this.el_) { - options.className.split(' ').forEach(c => this.addClass(c)); - } - - // Remove the placeholder event methods. If the component is evented, the - // real methods are added next - ['on', 'off', 'one', 'any', 'trigger'].forEach(fn => { - this[fn] = undefined; - }); - - // if evented is anything except false, we want to mixin in evented - if (options.evented !== false) { - // Make this an evented object and use `el_`, if available, as its event bus - evented(this, { - eventBusKey: this.el_ ? 'el_' : null - }); - this.handleLanguagechange = this.handleLanguagechange.bind(this); - this.on(this.player_, 'languagechange', this.handleLanguagechange); - } - stateful(this, this.constructor.defaultState); - this.children_ = []; - this.childIndex_ = {}; - this.childNameIndex_ = {}; - this.setTimeoutIds_ = new Set(); - this.setIntervalIds_ = new Set(); - this.rafIds_ = new Set(); - this.namedRafs_ = new Map(); - this.clearingTimersOnDispose_ = false; - - // Add any child components in options - if (options.initChildren !== false) { - this.initChildren(); - } - - // Don't want to trigger ready here or it will go before init is actually - // finished for all children that run this constructor - this.ready(ready); - if (options.reportTouchActivity !== false) { - this.enableTouchActivity(); - } - } - - // `on`, `off`, `one`, `any` and `trigger` are here so tsc includes them in definitions. - // They are replaced or removed in the constructor - - /** - * Adds an `event listener` to an instance of an `EventTarget`. An `event listener` is a - * function that will get called when an event with a certain name gets triggered. - * - * @param {string|string[]} type - * An event name or an array of event names. - * - * @param {Function} fn - * The function to call with `EventTarget`s - */ - on(type, fn) {} - - /** - * Removes an `event listener` for a specific event from an instance of `EventTarget`. - * This makes it so that the `event listener` will no longer get called when the - * named event happens. - * - * @param {string|string[]} type - * An event name or an array of event names. - * - * @param {Function} [fn] - * The function to remove. If not specified, all listeners managed by Video.js will be removed. - */ - off(type, fn) {} - - /** - * This function will add an `event listener` that gets triggered only once. After the - * first trigger it will get removed. This is like adding an `event listener` - * with {@link EventTarget#on} that calls {@link EventTarget#off} on itself. - * - * @param {string|string[]} type - * An event name or an array of event names. - * - * @param {Function} fn - * The function to be called once for each event name. - */ - one(type, fn) {} - - /** - * This function will add an `event listener` that gets triggered only once and is - * removed from all events. This is like adding an array of `event listener`s - * with {@link EventTarget#on} that calls {@link EventTarget#off} on all events the - * first time it is triggered. - * - * @param {string|string[]} type - * An event name or an array of event names. - * - * @param {Function} fn - * The function to be called once for each event name. - */ - any(type, fn) {} - - /** - * This function causes an event to happen. This will then cause any `event listeners` - * that are waiting for that event, to get called. If there are no `event listeners` - * for an event then nothing will happen. - * - * If the name of the `Event` that is being triggered is in `EventTarget.allowedEvents_`. - * Trigger will also call the `on` + `uppercaseEventName` function. - * - * Example: - * 'click' is in `EventTarget.allowedEvents_`, so, trigger will attempt to call - * `onClick` if it exists. - * - * @param {string|Event|Object} event - * The name of the event, an `Event`, or an object with a key of type set to - * an event name. - * - * @param {Object} [hash] - * Optionally extra argument to pass through to an event listener - */ - trigger(event, hash) {} - - /** - * Dispose of the `Component` and all child components. - * - * @fires Component#dispose - * - * @param {Object} options - * @param {Element} options.originalEl element with which to replace player element - */ - dispose(options = {}) { - // Bail out if the component has already been disposed. - if (this.isDisposed_) { - return; - } - if (this.readyQueue_) { - this.readyQueue_.length = 0; - } - - /** - * Triggered when a `Component` is disposed. - * - * @event Component#dispose - * @type {Event} - * - * @property {boolean} [bubbles=false] - * set to false so that the dispose event does not - * bubble up - */ - this.trigger({ - type: 'dispose', - bubbles: false - }); - this.isDisposed_ = true; - - // Dispose all children. - if (this.children_) { - for (let i = this.children_.length - 1; i >= 0; i--) { - if (this.children_[i].dispose) { - this.children_[i].dispose(); - } - } - } - - // Delete child references - this.children_ = null; - this.childIndex_ = null; - this.childNameIndex_ = null; - this.parentComponent_ = null; - if (this.el_) { - // Remove element from DOM - if (this.el_.parentNode) { - if (options.restoreEl) { - this.el_.parentNode.replaceChild(options.restoreEl, this.el_); - } else { - this.el_.parentNode.removeChild(this.el_); - } - } - this.el_ = null; - } - - // remove reference to the player after disposing of the element - this.player_ = null; - } - - /** - * Determine whether or not this component has been disposed. - * - * @return {boolean} - * If the component has been disposed, will be `true`. Otherwise, `false`. - */ - isDisposed() { - return Boolean(this.isDisposed_); - } - - /** - * Return the {@link Player} that the `Component` has attached to. - * - * @return { import('./player').default } - * The player that this `Component` has attached to. - */ - player() { - return this.player_; - } - - /** - * Deep merge of options objects with new options. - * > Note: When both `obj` and `options` contain properties whose values are objects. - * The two properties get merged using {@link module:obj.merge} - * - * @param {Object} obj - * The object that contains new options. - * - * @return {Object} - * A new object of `this.options_` and `obj` merged together. - */ - options(obj) { - if (!obj) { - return this.options_; - } - this.options_ = merge(this.options_, obj); - return this.options_; - } - - /** - * Get the `Component`s DOM element - * - * @return {Element} - * The DOM element for this `Component`. - */ - el() { - return this.el_; - } - - /** - * Create the `Component`s DOM element. - * - * @param {string} [tagName] - * Element's DOM node type. e.g. 'div' - * - * @param {Object} [properties] - * An object of properties that should be set. - * - * @param {Object} [attributes] - * An object of attributes that should be set. - * - * @return {Element} - * The element that gets created. - */ - createEl(tagName, properties, attributes) { - return createEl(tagName, properties, attributes); - } - - /** - * Localize a string given the string in english. - * - * If tokens are provided, it'll try and run a simple token replacement on the provided string. - * The tokens it looks for look like `{1}` with the index being 1-indexed into the tokens array. - * - * If a `defaultValue` is provided, it'll use that over `string`, - * if a value isn't found in provided language files. - * This is useful if you want to have a descriptive key for token replacement - * but have a succinct localized string and not require `en.json` to be included. - * - * Currently, it is used for the progress bar timing. - * ```js - * { - * "progress bar timing: currentTime={1} duration={2}": "{1} of {2}" - * } - * ``` - * It is then used like so: - * ```js - * this.localize('progress bar timing: currentTime={1} duration{2}', - * [this.player_.currentTime(), this.player_.duration()], - * '{1} of {2}'); - * ``` - * - * Which outputs something like: `01:23 of 24:56`. - * - * - * @param {string} string - * The string to localize and the key to lookup in the language files. - * @param {string[]} [tokens] - * If the current item has token replacements, provide the tokens here. - * @param {string} [defaultValue] - * Defaults to `string`. Can be a default value to use for token replacement - * if the lookup key is needed to be separate. - * - * @return {string} - * The localized string or if no localization exists the english string. - */ - localize(string, tokens, defaultValue = string) { - const code = this.player_.language && this.player_.language(); - const languages = this.player_.languages && this.player_.languages(); - const language = languages && languages[code]; - const primaryCode = code && code.split('-')[0]; - const primaryLang = languages && languages[primaryCode]; - let localizedString = defaultValue; - if (language && language[string]) { - localizedString = language[string]; - } else if (primaryLang && primaryLang[string]) { - localizedString = primaryLang[string]; - } - if (tokens) { - localizedString = localizedString.replace(/\{(\d+)\}/g, function (match, index) { - const value = tokens[index - 1]; - let ret = value; - if (typeof value === 'undefined') { - ret = match; - } - return ret; - }); - } - return localizedString; - } - - /** - * Handles language change for the player in components. Should be overridden by sub-components. - * - * @abstract - */ - handleLanguagechange() {} - - /** - * Return the `Component`s DOM element. This is where children get inserted. - * This will usually be the the same as the element returned in {@link Component#el}. - * - * @return {Element} - * The content element for this `Component`. - */ - contentEl() { - return this.contentEl_ || this.el_; - } - - /** - * Get this `Component`s ID - * - * @return {string} - * The id of this `Component` - */ - id() { - return this.id_; - } - - /** - * Get the `Component`s name. The name gets used to reference the `Component` - * and is set during registration. - * - * @return {string} - * The name of this `Component`. - */ - name() { - return this.name_; - } - - /** - * Get an array of all child components - * - * @return {Array} - * The children - */ - children() { - return this.children_; - } - - /** - * Returns the child `Component` with the given `id`. - * - * @param {string} id - * The id of the child `Component` to get. - * - * @return {Component|undefined} - * The child `Component` with the given `id` or undefined. - */ - getChildById(id) { - return this.childIndex_[id]; - } - - /** - * Returns the child `Component` with the given `name`. - * - * @param {string} name - * The name of the child `Component` to get. - * - * @return {Component|undefined} - * The child `Component` with the given `name` or undefined. - */ - getChild(name) { - if (!name) { - return; - } - return this.childNameIndex_[name]; - } - - /** - * Returns the descendant `Component` following the givent - * descendant `names`. For instance ['foo', 'bar', 'baz'] would - * try to get 'foo' on the current component, 'bar' on the 'foo' - * component and 'baz' on the 'bar' component and return undefined - * if any of those don't exist. - * - * @param {...string[]|...string} names - * The name of the child `Component` to get. - * - * @return {Component|undefined} - * The descendant `Component` following the given descendant - * `names` or undefined. - */ - getDescendant(...names) { - // flatten array argument into the main array - names = names.reduce((acc, n) => acc.concat(n), []); - let currentChild = this; - for (let i = 0; i < names.length; i++) { - currentChild = currentChild.getChild(names[i]); - if (!currentChild || !currentChild.getChild) { - return; - } - } - return currentChild; - } - - /** - * Adds an SVG icon element to another element or component. - * - * @param {string} iconName - * The name of icon. A list of all the icon names can be found at 'sandbox/svg-icons.html' - * - * @param {Element} [el=this.el()] - * Element to set the title on. Defaults to the current Component's element. - * - * @return {Element} - * The newly created icon element. - */ - setIcon(iconName, el = this.el()) { - // TODO: In v9 of video.js, we will want to remove font icons entirely. - // This means this check, as well as the others throughout the code, and - // the unecessary CSS for font icons, will need to be removed. - // See https://github.com/videojs/video.js/pull/8260 as to which components - // need updating. - if (!this.player_.options_.experimentalSvgIcons) { - return; - } - const xmlnsURL = 'http://www.w3.org/2000/svg'; - - // The below creates an element in the format of: - // .... - const iconContainer = createEl('span', { - className: 'vjs-icon-placeholder vjs-svg-icon' - }, { - 'aria-hidden': 'true' - }); - const svgEl = document.createElementNS(xmlnsURL, 'svg'); - svgEl.setAttributeNS(null, 'viewBox', '0 0 512 512'); - const useEl = document.createElementNS(xmlnsURL, 'use'); - svgEl.appendChild(useEl); - useEl.setAttributeNS(null, 'href', `#vjs-icon-${iconName}`); - iconContainer.appendChild(svgEl); - - // Replace a pre-existing icon if one exists. - if (this.iconIsSet_) { - el.replaceChild(iconContainer, el.querySelector('.vjs-icon-placeholder')); - } else { - el.appendChild(iconContainer); - } - this.iconIsSet_ = true; - return iconContainer; - } - - /** - * Add a child `Component` inside the current `Component`. - * - * @param {string|Component} child - * The name or instance of a child to add. - * - * @param {Object} [options={}] - * The key/value store of options that will get passed to children of - * the child. - * - * @param {number} [index=this.children_.length] - * The index to attempt to add a child into. - * - * - * @return {Component} - * The `Component` that gets added as a child. When using a string the - * `Component` will get created by this process. - */ - addChild(child, options = {}, index = this.children_.length) { - let component; - let componentName; - - // If child is a string, create component with options - if (typeof child === 'string') { - componentName = toTitleCase(child); - const componentClassName = options.componentClass || componentName; - - // Set name through options - options.name = componentName; - - // Create a new object & element for this controls set - // If there's no .player_, this is a player - const ComponentClass = Component.getComponent(componentClassName); - if (!ComponentClass) { - throw new Error(`Component ${componentClassName} does not exist`); - } - - // data stored directly on the videojs object may be - // misidentified as a component to retain - // backwards-compatibility with 4.x. check to make sure the - // component class can be instantiated. - if (typeof ComponentClass !== 'function') { - return null; - } - component = new ComponentClass(this.player_ || this, options); - - // child is a component instance - } else { - component = child; - } - if (component.parentComponent_) { - component.parentComponent_.removeChild(component); - } - this.children_.splice(index, 0, component); - component.parentComponent_ = this; - if (typeof component.id === 'function') { - this.childIndex_[component.id()] = component; - } - - // If a name wasn't used to create the component, check if we can use the - // name function of the component - componentName = componentName || component.name && toTitleCase(component.name()); - if (componentName) { - this.childNameIndex_[componentName] = component; - this.childNameIndex_[toLowerCase(componentName)] = component; - } - - // Add the UI object's element to the container div (box) - // Having an element is not required - if (typeof component.el === 'function' && component.el()) { - // If inserting before a component, insert before that component's element - let refNode = null; - if (this.children_[index + 1]) { - // Most children are components, but the video tech is an HTML element - if (this.children_[index + 1].el_) { - refNode = this.children_[index + 1].el_; - } else if (isEl(this.children_[index + 1])) { - refNode = this.children_[index + 1]; - } - } - this.contentEl().insertBefore(component.el(), refNode); - } - - // Return so it can stored on parent object if desired. - return component; - } - - /** - * Remove a child `Component` from this `Component`s list of children. Also removes - * the child `Component`s element from this `Component`s element. - * - * @param {Component} component - * The child `Component` to remove. - */ - removeChild(component) { - if (typeof component === 'string') { - component = this.getChild(component); - } - if (!component || !this.children_) { - return; - } - let childFound = false; - for (let i = this.children_.length - 1; i >= 0; i--) { - if (this.children_[i] === component) { - childFound = true; - this.children_.splice(i, 1); - break; - } - } - if (!childFound) { - return; - } - component.parentComponent_ = null; - this.childIndex_[component.id()] = null; - this.childNameIndex_[toTitleCase(component.name())] = null; - this.childNameIndex_[toLowerCase(component.name())] = null; - const compEl = component.el(); - if (compEl && compEl.parentNode === this.contentEl()) { - this.contentEl().removeChild(component.el()); - } - } - - /** - * Add and initialize default child `Component`s based upon options. - */ - initChildren() { - const children = this.options_.children; - if (children) { - // `this` is `parent` - const parentOptions = this.options_; - const handleAdd = child => { - const name = child.name; - let opts = child.opts; - - // Allow options for children to be set at the parent options - // e.g. videojs(id, { controlBar: false }); - // instead of videojs(id, { children: { controlBar: false }); - if (parentOptions[name] !== undefined) { - opts = parentOptions[name]; - } - - // Allow for disabling default components - // e.g. options['children']['posterImage'] = false - if (opts === false) { - return; - } - - // Allow options to be passed as a simple boolean if no configuration - // is necessary. - if (opts === true) { - opts = {}; - } - - // We also want to pass the original player options - // to each component as well so they don't need to - // reach back into the player for options later. - opts.playerOptions = this.options_.playerOptions; - - // Create and add the child component. - // Add a direct reference to the child by name on the parent instance. - // If two of the same component are used, different names should be supplied - // for each - const newChild = this.addChild(name, opts); - if (newChild) { - this[name] = newChild; - } - }; - - // Allow for an array of children details to passed in the options - let workingChildren; - const Tech = Component.getComponent('Tech'); - if (Array.isArray(children)) { - workingChildren = children; - } else { - workingChildren = Object.keys(children); - } - workingChildren - // children that are in this.options_ but also in workingChildren would - // give us extra children we do not want. So, we want to filter them out. - .concat(Object.keys(this.options_).filter(function (child) { - return !workingChildren.some(function (wchild) { - if (typeof wchild === 'string') { - return child === wchild; - } - return child === wchild.name; - }); - })).map(child => { - let name; - let opts; - if (typeof child === 'string') { - name = child; - opts = children[name] || this.options_[name] || {}; - } else { - name = child.name; - opts = child; - } - return { - name, - opts - }; - }).filter(child => { - // we have to make sure that child.name isn't in the techOrder since - // techs are registered as Components but can't aren't compatible - // See https://github.com/videojs/video.js/issues/2772 - const c = Component.getComponent(child.opts.componentClass || toTitleCase(child.name)); - return c && !Tech.isTech(c); - }).forEach(handleAdd); - } - } - - /** - * Builds the default DOM class name. Should be overridden by sub-components. - * - * @return {string} - * The DOM class name for this object. - * - * @abstract - */ - buildCSSClass() { - // Child classes can include a function that does: - // return 'CLASS NAME' + this._super(); - return ''; - } - - /** - * Bind a listener to the component's ready state. - * Different from event listeners in that if the ready event has already happened - * it will trigger the function immediately. - * - * @param {ReadyCallback} fn - * Function that gets called when the `Component` is ready. - * - * @return {Component} - * Returns itself; method can be chained. - */ - ready(fn, sync = false) { - if (!fn) { - return; - } - if (!this.isReady_) { - this.readyQueue_ = this.readyQueue_ || []; - this.readyQueue_.push(fn); - return; - } - if (sync) { - fn.call(this); - } else { - // Call the function asynchronously by default for consistency - this.setTimeout(fn, 1); - } - } - - /** - * Trigger all the ready listeners for this `Component`. - * - * @fires Component#ready - */ - triggerReady() { - this.isReady_ = true; - - // Ensure ready is triggered asynchronously - this.setTimeout(function () { - const readyQueue = this.readyQueue_; - - // Reset Ready Queue - this.readyQueue_ = []; - if (readyQueue && readyQueue.length > 0) { - readyQueue.forEach(function (fn) { - fn.call(this); - }, this); - } - - // Allow for using event listeners also - /** - * Triggered when a `Component` is ready. - * - * @event Component#ready - * @type {Event} - */ - this.trigger('ready'); - }, 1); - } - - /** - * Find a single DOM element matching a `selector`. This can be within the `Component`s - * `contentEl()` or another custom context. - * - * @param {string} selector - * A valid CSS selector, which will be passed to `querySelector`. - * - * @param {Element|string} [context=this.contentEl()] - * A DOM element within which to query. Can also be a selector string in - * which case the first matching element will get used as context. If - * missing `this.contentEl()` gets used. If `this.contentEl()` returns - * nothing it falls back to `document`. - * - * @return {Element|null} - * the dom element that was found, or null - * - * @see [Information on CSS Selectors](https://developer.mozilla.org/en-US/docs/Web/Guide/CSS/Getting_Started/Selectors) - */ - $(selector, context) { - return $(selector, context || this.contentEl()); - } - - /** - * Finds all DOM element matching a `selector`. This can be within the `Component`s - * `contentEl()` or another custom context. - * - * @param {string} selector - * A valid CSS selector, which will be passed to `querySelectorAll`. - * - * @param {Element|string} [context=this.contentEl()] - * A DOM element within which to query. Can also be a selector string in - * which case the first matching element will get used as context. If - * missing `this.contentEl()` gets used. If `this.contentEl()` returns - * nothing it falls back to `document`. - * - * @return {NodeList} - * a list of dom elements that were found - * - * @see [Information on CSS Selectors](https://developer.mozilla.org/en-US/docs/Web/Guide/CSS/Getting_Started/Selectors) - */ - $$(selector, context) { - return $$(selector, context || this.contentEl()); - } - - /** - * Check if a component's element has a CSS class name. - * - * @param {string} classToCheck - * CSS class name to check. - * - * @return {boolean} - * - True if the `Component` has the class. - * - False if the `Component` does not have the class` - */ - hasClass(classToCheck) { - return hasClass(this.el_, classToCheck); - } - - /** - * Add a CSS class name to the `Component`s element. - * - * @param {...string} classesToAdd - * One or more CSS class name to add. - */ - addClass(...classesToAdd) { - addClass(this.el_, ...classesToAdd); - } - - /** - * Remove a CSS class name from the `Component`s element. - * - * @param {...string} classesToRemove - * One or more CSS class name to remove. - */ - removeClass(...classesToRemove) { - removeClass(this.el_, ...classesToRemove); - } - - /** - * Add or remove a CSS class name from the component's element. - * - `classToToggle` gets added when {@link Component#hasClass} would return false. - * - `classToToggle` gets removed when {@link Component#hasClass} would return true. - * - * @param {string} classToToggle - * The class to add or remove based on (@link Component#hasClass} - * - * @param {boolean|Dom~predicate} [predicate] - * An {@link Dom~predicate} function or a boolean - */ - toggleClass(classToToggle, predicate) { - toggleClass(this.el_, classToToggle, predicate); - } - - /** - * Show the `Component`s element if it is hidden by removing the - * 'vjs-hidden' class name from it. - */ - show() { - this.removeClass('vjs-hidden'); - } - - /** - * Hide the `Component`s element if it is currently showing by adding the - * 'vjs-hidden` class name to it. - */ - hide() { - this.addClass('vjs-hidden'); - } - - /** - * Lock a `Component`s element in its visible state by adding the 'vjs-lock-showing' - * class name to it. Used during fadeIn/fadeOut. - * - * @private - */ - lockShowing() { - this.addClass('vjs-lock-showing'); - } - - /** - * Unlock a `Component`s element from its visible state by removing the 'vjs-lock-showing' - * class name from it. Used during fadeIn/fadeOut. - * - * @private - */ - unlockShowing() { - this.removeClass('vjs-lock-showing'); - } - - /** - * Get the value of an attribute on the `Component`s element. - * - * @param {string} attribute - * Name of the attribute to get the value from. - * - * @return {string|null} - * - The value of the attribute that was asked for. - * - Can be an empty string on some browsers if the attribute does not exist - * or has no value - * - Most browsers will return null if the attribute does not exist or has - * no value. - * - * @see [DOM API]{@link https://developer.mozilla.org/en-US/docs/Web/API/Element/getAttribute} - */ - getAttribute(attribute) { - return getAttribute(this.el_, attribute); - } - - /** - * Set the value of an attribute on the `Component`'s element - * - * @param {string} attribute - * Name of the attribute to set. - * - * @param {string} value - * Value to set the attribute to. - * - * @see [DOM API]{@link https://developer.mozilla.org/en-US/docs/Web/API/Element/setAttribute} - */ - setAttribute(attribute, value) { - setAttribute(this.el_, attribute, value); - } - - /** - * Remove an attribute from the `Component`s element. - * - * @param {string} attribute - * Name of the attribute to remove. - * - * @see [DOM API]{@link https://developer.mozilla.org/en-US/docs/Web/API/Element/removeAttribute} - */ - removeAttribute(attribute) { - removeAttribute(this.el_, attribute); - } - - /** - * Get or set the width of the component based upon the CSS styles. - * See {@link Component#dimension} for more detailed information. - * - * @param {number|string} [num] - * The width that you want to set postfixed with '%', 'px' or nothing. - * - * @param {boolean} [skipListeners] - * Skip the componentresize event trigger - * - * @return {number|undefined} - * The width when getting, zero if there is no width - */ - width(num, skipListeners) { - return this.dimension('width', num, skipListeners); - } - - /** - * Get or set the height of the component based upon the CSS styles. - * See {@link Component#dimension} for more detailed information. - * - * @param {number|string} [num] - * The height that you want to set postfixed with '%', 'px' or nothing. - * - * @param {boolean} [skipListeners] - * Skip the componentresize event trigger - * - * @return {number|undefined} - * The height when getting, zero if there is no height - */ - height(num, skipListeners) { - return this.dimension('height', num, skipListeners); - } - - /** - * Set both the width and height of the `Component` element at the same time. - * - * @param {number|string} width - * Width to set the `Component`s element to. - * - * @param {number|string} height - * Height to set the `Component`s element to. - */ - dimensions(width, height) { - // Skip componentresize listeners on width for optimization - this.width(width, true); - this.height(height); - } - - /** - * Get or set width or height of the `Component` element. This is the shared code - * for the {@link Component#width} and {@link Component#height}. - * - * Things to know: - * - If the width or height in an number this will return the number postfixed with 'px'. - * - If the width/height is a percent this will return the percent postfixed with '%' - * - Hidden elements have a width of 0 with `window.getComputedStyle`. This function - * defaults to the `Component`s `style.width` and falls back to `window.getComputedStyle`. - * See [this]{@link http://www.foliotek.com/devblog/getting-the-width-of-a-hidden-element-with-jquery-using-width/} - * for more information - * - If you want the computed style of the component, use {@link Component#currentWidth} - * and {@link {Component#currentHeight} - * - * @fires Component#componentresize - * - * @param {string} widthOrHeight - 8 'width' or 'height' - * - * @param {number|string} [num] - 8 New dimension - * - * @param {boolean} [skipListeners] - * Skip componentresize event trigger - * - * @return {number|undefined} - * The dimension when getting or 0 if unset - */ - dimension(widthOrHeight, num, skipListeners) { - if (num !== undefined) { - // Set to zero if null or literally NaN (NaN !== NaN) - if (num === null || num !== num) { - num = 0; - } - - // Check if using css width/height (% or px) and adjust - if (('' + num).indexOf('%') !== -1 || ('' + num).indexOf('px') !== -1) { - this.el_.style[widthOrHeight] = num; - } else if (num === 'auto') { - this.el_.style[widthOrHeight] = ''; - } else { - this.el_.style[widthOrHeight] = num + 'px'; - } - - // skipListeners allows us to avoid triggering the resize event when setting both width and height - if (!skipListeners) { - /** - * Triggered when a component is resized. - * - * @event Component#componentresize - * @type {Event} - */ - this.trigger('componentresize'); - } - return; - } - - // Not setting a value, so getting it - // Make sure element exists - if (!this.el_) { - return 0; - } - - // Get dimension value from style - const val = this.el_.style[widthOrHeight]; - const pxIndex = val.indexOf('px'); - if (pxIndex !== -1) { - // Return the pixel value with no 'px' - return parseInt(val.slice(0, pxIndex), 10); - } - - // No px so using % or no style was set, so falling back to offsetWidth/height - // If component has display:none, offset will return 0 - // TODO: handle display:none and no dimension style using px - return parseInt(this.el_['offset' + toTitleCase(widthOrHeight)], 10); - } - - /** - * Get the computed width or the height of the component's element. - * - * Uses `window.getComputedStyle`. - * - * @param {string} widthOrHeight - * A string containing 'width' or 'height'. Whichever one you want to get. - * - * @return {number} - * The dimension that gets asked for or 0 if nothing was set - * for that dimension. - */ - currentDimension(widthOrHeight) { - let computedWidthOrHeight = 0; - if (widthOrHeight !== 'width' && widthOrHeight !== 'height') { - throw new Error('currentDimension only accepts width or height value'); - } - computedWidthOrHeight = computedStyle(this.el_, widthOrHeight); - - // remove 'px' from variable and parse as integer - computedWidthOrHeight = parseFloat(computedWidthOrHeight); - - // if the computed value is still 0, it's possible that the browser is lying - // and we want to check the offset values. - // This code also runs wherever getComputedStyle doesn't exist. - if (computedWidthOrHeight === 0 || isNaN(computedWidthOrHeight)) { - const rule = `offset${toTitleCase(widthOrHeight)}`; - computedWidthOrHeight = this.el_[rule]; - } - return computedWidthOrHeight; - } - - /** - * An object that contains width and height values of the `Component`s - * computed style. Uses `window.getComputedStyle`. - * - * @typedef {Object} Component~DimensionObject - * - * @property {number} width - * The width of the `Component`s computed style. - * - * @property {number} height - * The height of the `Component`s computed style. - */ - - /** - * Get an object that contains computed width and height values of the - * component's element. - * - * Uses `window.getComputedStyle`. - * - * @return {Component~DimensionObject} - * The computed dimensions of the component's element. - */ - currentDimensions() { - return { - width: this.currentDimension('width'), - height: this.currentDimension('height') - }; - } - - /** - * Get the computed width of the component's element. - * - * Uses `window.getComputedStyle`. - * - * @return {number} - * The computed width of the component's element. - */ - currentWidth() { - return this.currentDimension('width'); - } - - /** - * Get the computed height of the component's element. - * - * Uses `window.getComputedStyle`. - * - * @return {number} - * The computed height of the component's element. - */ - currentHeight() { - return this.currentDimension('height'); - } - - /** - * Set the focus to this component - */ - focus() { - this.el_.focus(); - } - - /** - * Remove the focus from this component - */ - blur() { - this.el_.blur(); - } - - /** - * When this Component receives a `keydown` event which it does not process, - * it passes the event to the Player for handling. - * - * @param {KeyboardEvent} event - * The `keydown` event that caused this function to be called. - */ - handleKeyDown(event) { - if (this.player_) { - // We only stop propagation here because we want unhandled events to fall - // back to the browser. Exclude Tab for focus trapping. - if (!keycode.isEventKey(event, 'Tab')) { - event.stopPropagation(); - } - this.player_.handleKeyDown(event); - } - } - - /** - * Many components used to have a `handleKeyPress` method, which was poorly - * named because it listened to a `keydown` event. This method name now - * delegates to `handleKeyDown`. This means anyone calling `handleKeyPress` - * will not see their method calls stop working. - * - * @param {KeyboardEvent} event - * The event that caused this function to be called. - */ - handleKeyPress(event) { - this.handleKeyDown(event); - } - - /** - * Emit a 'tap' events when touch event support gets detected. This gets used to - * support toggling the controls through a tap on the video. They get enabled - * because every sub-component would have extra overhead otherwise. - * - * @protected - * @fires Component#tap - * @listens Component#touchstart - * @listens Component#touchmove - * @listens Component#touchleave - * @listens Component#touchcancel - * @listens Component#touchend - */ - emitTapEvents() { - // Track the start time so we can determine how long the touch lasted - let touchStart = 0; - let firstTouch = null; - - // Maximum movement allowed during a touch event to still be considered a tap - // Other popular libs use anywhere from 2 (hammer.js) to 15, - // so 10 seems like a nice, round number. - const tapMovementThreshold = 10; - - // The maximum length a touch can be while still being considered a tap - const touchTimeThreshold = 200; - let couldBeTap; - this.on('touchstart', function (event) { - // If more than one finger, don't consider treating this as a click - if (event.touches.length === 1) { - // Copy pageX/pageY from the object - firstTouch = { - pageX: event.touches[0].pageX, - pageY: event.touches[0].pageY - }; - // Record start time so we can detect a tap vs. "touch and hold" - touchStart = window.performance.now(); - // Reset couldBeTap tracking - couldBeTap = true; - } - }); - this.on('touchmove', function (event) { - // If more than one finger, don't consider treating this as a click - if (event.touches.length > 1) { - couldBeTap = false; - } else if (firstTouch) { - // Some devices will throw touchmoves for all but the slightest of taps. - // So, if we moved only a small distance, this could still be a tap - const xdiff = event.touches[0].pageX - firstTouch.pageX; - const ydiff = event.touches[0].pageY - firstTouch.pageY; - const touchDistance = Math.sqrt(xdiff * xdiff + ydiff * ydiff); - if (touchDistance > tapMovementThreshold) { - couldBeTap = false; - } - } - }); - const noTap = function () { - couldBeTap = false; - }; - - // TODO: Listen to the original target. http://youtu.be/DujfpXOKUp8?t=13m8s - this.on('touchleave', noTap); - this.on('touchcancel', noTap); - - // When the touch ends, measure how long it took and trigger the appropriate - // event - this.on('touchend', function (event) { - firstTouch = null; - // Proceed only if the touchmove/leave/cancel event didn't happen - if (couldBeTap === true) { - // Measure how long the touch lasted - const touchTime = window.performance.now() - touchStart; - - // Make sure the touch was less than the threshold to be considered a tap - if (touchTime < touchTimeThreshold) { - // Don't let browser turn this into a click - event.preventDefault(); - /** - * Triggered when a `Component` is tapped. - * - * @event Component#tap - * @type {MouseEvent} - */ - this.trigger('tap'); - // It may be good to copy the touchend event object and change the - // type to tap, if the other event properties aren't exact after - // Events.fixEvent runs (e.g. event.target) - } - } - }); - } - - /** - * This function reports user activity whenever touch events happen. This can get - * turned off by any sub-components that wants touch events to act another way. - * - * Report user touch activity when touch events occur. User activity gets used to - * determine when controls should show/hide. It is simple when it comes to mouse - * events, because any mouse event should show the controls. So we capture mouse - * events that bubble up to the player and report activity when that happens. - * With touch events it isn't as easy as `touchstart` and `touchend` toggle player - * controls. So touch events can't help us at the player level either. - * - * User activity gets checked asynchronously. So what could happen is a tap event - * on the video turns the controls off. Then the `touchend` event bubbles up to - * the player. Which, if it reported user activity, would turn the controls right - * back on. We also don't want to completely block touch events from bubbling up. - * Furthermore a `touchmove` event and anything other than a tap, should not turn - * controls back on. - * - * @listens Component#touchstart - * @listens Component#touchmove - * @listens Component#touchend - * @listens Component#touchcancel - */ - enableTouchActivity() { - // Don't continue if the root player doesn't support reporting user activity - if (!this.player() || !this.player().reportUserActivity) { - return; - } - - // listener for reporting that the user is active - const report = bind_(this.player(), this.player().reportUserActivity); - let touchHolding; - this.on('touchstart', function () { - report(); - // For as long as the they are touching the device or have their mouse down, - // we consider them active even if they're not moving their finger or mouse. - // So we want to continue to update that they are active - this.clearInterval(touchHolding); - // report at the same interval as activityCheck - touchHolding = this.setInterval(report, 250); - }); - const touchEnd = function (event) { - report(); - // stop the interval that maintains activity if the touch is holding - this.clearInterval(touchHolding); - }; - this.on('touchmove', report); - this.on('touchend', touchEnd); - this.on('touchcancel', touchEnd); - } - - /** - * A callback that has no parameters and is bound into `Component`s context. - * - * @callback Component~GenericCallback - * @this Component - */ - - /** - * Creates a function that runs after an `x` millisecond timeout. This function is a - * wrapper around `window.setTimeout`. There are a few reasons to use this one - * instead though: - * 1. It gets cleared via {@link Component#clearTimeout} when - * {@link Component#dispose} gets called. - * 2. The function callback will gets turned into a {@link Component~GenericCallback} - * - * > Note: You can't use `window.clearTimeout` on the id returned by this function. This - * will cause its dispose listener not to get cleaned up! Please use - * {@link Component#clearTimeout} or {@link Component#dispose} instead. - * - * @param {Component~GenericCallback} fn - * The function that will be run after `timeout`. - * - * @param {number} timeout - * Timeout in milliseconds to delay before executing the specified function. - * - * @return {number} - * Returns a timeout ID that gets used to identify the timeout. It can also - * get used in {@link Component#clearTimeout} to clear the timeout that - * was set. - * - * @listens Component#dispose - * @see [Similar to]{@link https://developer.mozilla.org/en-US/docs/Web/API/WindowTimers/setTimeout} - */ - setTimeout(fn, timeout) { - // declare as variables so they are properly available in timeout function - // eslint-disable-next-line - var timeoutId; - fn = bind_(this, fn); - this.clearTimersOnDispose_(); - timeoutId = window.setTimeout(() => { - if (this.setTimeoutIds_.has(timeoutId)) { - this.setTimeoutIds_.delete(timeoutId); - } - fn(); - }, timeout); - this.setTimeoutIds_.add(timeoutId); - return timeoutId; - } - - /** - * Clears a timeout that gets created via `window.setTimeout` or - * {@link Component#setTimeout}. If you set a timeout via {@link Component#setTimeout} - * use this function instead of `window.clearTimout`. If you don't your dispose - * listener will not get cleaned up until {@link Component#dispose}! - * - * @param {number} timeoutId - * The id of the timeout to clear. The return value of - * {@link Component#setTimeout} or `window.setTimeout`. - * - * @return {number} - * Returns the timeout id that was cleared. - * - * @see [Similar to]{@link https://developer.mozilla.org/en-US/docs/Web/API/WindowTimers/clearTimeout} - */ - clearTimeout(timeoutId) { - if (this.setTimeoutIds_.has(timeoutId)) { - this.setTimeoutIds_.delete(timeoutId); - window.clearTimeout(timeoutId); - } - return timeoutId; - } - - /** - * Creates a function that gets run every `x` milliseconds. This function is a wrapper - * around `window.setInterval`. There are a few reasons to use this one instead though. - * 1. It gets cleared via {@link Component#clearInterval} when - * {@link Component#dispose} gets called. - * 2. The function callback will be a {@link Component~GenericCallback} - * - * @param {Component~GenericCallback} fn - * The function to run every `x` seconds. - * - * @param {number} interval - * Execute the specified function every `x` milliseconds. - * - * @return {number} - * Returns an id that can be used to identify the interval. It can also be be used in - * {@link Component#clearInterval} to clear the interval. - * - * @listens Component#dispose - * @see [Similar to]{@link https://developer.mozilla.org/en-US/docs/Web/API/WindowTimers/setInterval} - */ - setInterval(fn, interval) { - fn = bind_(this, fn); - this.clearTimersOnDispose_(); - const intervalId = window.setInterval(fn, interval); - this.setIntervalIds_.add(intervalId); - return intervalId; - } - - /** - * Clears an interval that gets created via `window.setInterval` or - * {@link Component#setInterval}. If you set an interval via {@link Component#setInterval} - * use this function instead of `window.clearInterval`. If you don't your dispose - * listener will not get cleaned up until {@link Component#dispose}! - * - * @param {number} intervalId - * The id of the interval to clear. The return value of - * {@link Component#setInterval} or `window.setInterval`. - * - * @return {number} - * Returns the interval id that was cleared. - * - * @see [Similar to]{@link https://developer.mozilla.org/en-US/docs/Web/API/WindowTimers/clearInterval} - */ - clearInterval(intervalId) { - if (this.setIntervalIds_.has(intervalId)) { - this.setIntervalIds_.delete(intervalId); - window.clearInterval(intervalId); - } - return intervalId; - } - - /** - * Queues up a callback to be passed to requestAnimationFrame (rAF), but - * with a few extra bonuses: - * - * - Supports browsers that do not support rAF by falling back to - * {@link Component#setTimeout}. - * - * - The callback is turned into a {@link Component~GenericCallback} (i.e. - * bound to the component). - * - * - Automatic cancellation of the rAF callback is handled if the component - * is disposed before it is called. - * - * @param {Component~GenericCallback} fn - * A function that will be bound to this component and executed just - * before the browser's next repaint. - * - * @return {number} - * Returns an rAF ID that gets used to identify the timeout. It can - * also be used in {@link Component#cancelAnimationFrame} to cancel - * the animation frame callback. - * - * @listens Component#dispose - * @see [Similar to]{@link https://developer.mozilla.org/en-US/docs/Web/API/window/requestAnimationFrame} - */ - requestAnimationFrame(fn) { - this.clearTimersOnDispose_(); - - // declare as variables so they are properly available in rAF function - // eslint-disable-next-line - var id; - fn = bind_(this, fn); - id = window.requestAnimationFrame(() => { - if (this.rafIds_.has(id)) { - this.rafIds_.delete(id); - } - fn(); - }); - this.rafIds_.add(id); - return id; - } - - /** - * Request an animation frame, but only one named animation - * frame will be queued. Another will never be added until - * the previous one finishes. - * - * @param {string} name - * The name to give this requestAnimationFrame - * - * @param {Component~GenericCallback} fn - * A function that will be bound to this component and executed just - * before the browser's next repaint. - */ - requestNamedAnimationFrame(name, fn) { - if (this.namedRafs_.has(name)) { - return; - } - this.clearTimersOnDispose_(); - fn = bind_(this, fn); - const id = this.requestAnimationFrame(() => { - fn(); - if (this.namedRafs_.has(name)) { - this.namedRafs_.delete(name); - } - }); - this.namedRafs_.set(name, id); - return name; - } - - /** - * Cancels a current named animation frame if it exists. - * - * @param {string} name - * The name of the requestAnimationFrame to cancel. - */ - cancelNamedAnimationFrame(name) { - if (!this.namedRafs_.has(name)) { - return; - } - this.cancelAnimationFrame(this.namedRafs_.get(name)); - this.namedRafs_.delete(name); - } - - /** - * Cancels a queued callback passed to {@link Component#requestAnimationFrame} - * (rAF). - * - * If you queue an rAF callback via {@link Component#requestAnimationFrame}, - * use this function instead of `window.cancelAnimationFrame`. If you don't, - * your dispose listener will not get cleaned up until {@link Component#dispose}! - * - * @param {number} id - * The rAF ID to clear. The return value of {@link Component#requestAnimationFrame}. - * - * @return {number} - * Returns the rAF ID that was cleared. - * - * @see [Similar to]{@link https://developer.mozilla.org/en-US/docs/Web/API/window/cancelAnimationFrame} - */ - cancelAnimationFrame(id) { - if (this.rafIds_.has(id)) { - this.rafIds_.delete(id); - window.cancelAnimationFrame(id); - } - return id; - } - - /** - * A function to setup `requestAnimationFrame`, `setTimeout`, - * and `setInterval`, clearing on dispose. - * - * > Previously each timer added and removed dispose listeners on it's own. - * For better performance it was decided to batch them all, and use `Set`s - * to track outstanding timer ids. - * - * @private - */ - clearTimersOnDispose_() { - if (this.clearingTimersOnDispose_) { - return; - } - this.clearingTimersOnDispose_ = true; - this.one('dispose', () => { - [['namedRafs_', 'cancelNamedAnimationFrame'], ['rafIds_', 'cancelAnimationFrame'], ['setTimeoutIds_', 'clearTimeout'], ['setIntervalIds_', 'clearInterval']].forEach(([idName, cancelName]) => { - // for a `Set` key will actually be the value again - // so forEach((val, val) =>` but for maps we want to use - // the key. - this[idName].forEach((val, key) => this[cancelName](key)); - }); - this.clearingTimersOnDispose_ = false; - }); - } - - /** - * Register a `Component` with `videojs` given the name and the component. - * - * > NOTE: {@link Tech}s should not be registered as a `Component`. {@link Tech}s - * should be registered using {@link Tech.registerTech} or - * {@link videojs:videojs.registerTech}. - * - * > NOTE: This function can also be seen on videojs as - * {@link videojs:videojs.registerComponent}. - * - * @param {string} name - * The name of the `Component` to register. - * - * @param {Component} ComponentToRegister - * The `Component` class to register. - * - * @return {Component} - * The `Component` that was registered. - */ - static registerComponent(name, ComponentToRegister) { - if (typeof name !== 'string' || !name) { - throw new Error(`Illegal component name, "${name}"; must be a non-empty string.`); - } - const Tech = Component.getComponent('Tech'); - - // We need to make sure this check is only done if Tech has been registered. - const isTech = Tech && Tech.isTech(ComponentToRegister); - const isComp = Component === ComponentToRegister || Component.prototype.isPrototypeOf(ComponentToRegister.prototype); - if (isTech || !isComp) { - let reason; - if (isTech) { - reason = 'techs must be registered using Tech.registerTech()'; - } else { - reason = 'must be a Component subclass'; - } - throw new Error(`Illegal component, "${name}"; ${reason}.`); - } - name = toTitleCase(name); - if (!Component.components_) { - Component.components_ = {}; - } - const Player = Component.getComponent('Player'); - if (name === 'Player' && Player && Player.players) { - const players = Player.players; - const playerNames = Object.keys(players); - - // If we have players that were disposed, then their name will still be - // in Players.players. So, we must loop through and verify that the value - // for each item is not null. This allows registration of the Player component - // after all players have been disposed or before any were created. - if (players && playerNames.length > 0 && playerNames.map(pname => players[pname]).every(Boolean)) { - throw new Error('Can not register Player component after player has been created.'); - } - } - Component.components_[name] = ComponentToRegister; - Component.components_[toLowerCase(name)] = ComponentToRegister; - return ComponentToRegister; - } - - /** - * Get a `Component` based on the name it was registered with. - * - * @param {string} name - * The Name of the component to get. - * - * @return {typeof Component} - * The `Component` that got registered under the given name. - */ - static getComponent(name) { - if (!name || !Component.components_) { - return; - } - return Component.components_[name]; - } - } - Component.registerComponent('Component', Component); - - /** - * @file time.js - * @module time - */ - - /** - * Returns the time for the specified index at the start or end - * of a TimeRange object. - * - * @typedef {Function} TimeRangeIndex - * - * @param {number} [index=0] - * The range number to return the time for. - * - * @return {number} - * The time offset at the specified index. - * - * @deprecated The index argument must be provided. - * In the future, leaving it out will throw an error. - */ - - /** - * An object that contains ranges of time, which mimics {@link TimeRanges}. - * - * @typedef {Object} TimeRange - * - * @property {number} length - * The number of time ranges represented by this object. - * - * @property {module:time~TimeRangeIndex} start - * Returns the time offset at which a specified time range begins. - * - * @property {module:time~TimeRangeIndex} end - * Returns the time offset at which a specified time range ends. - * - * @see https://developer.mozilla.org/en-US/docs/Web/API/TimeRanges - */ - - /** - * Check if any of the time ranges are over the maximum index. - * - * @private - * @param {string} fnName - * The function name to use for logging - * - * @param {number} index - * The index to check - * - * @param {number} maxIndex - * The maximum possible index - * - * @throws {Error} if the timeRanges provided are over the maxIndex - */ - function rangeCheck(fnName, index, maxIndex) { - if (typeof index !== 'number' || index < 0 || index > maxIndex) { - throw new Error(`Failed to execute '${fnName}' on 'TimeRanges': The index provided (${index}) is non-numeric or out of bounds (0-${maxIndex}).`); - } - } - - /** - * Get the time for the specified index at the start or end - * of a TimeRange object. - * - * @private - * @param {string} fnName - * The function name to use for logging - * - * @param {string} valueIndex - * The property that should be used to get the time. should be - * 'start' or 'end' - * - * @param {Array} ranges - * An array of time ranges - * - * @param {Array} [rangeIndex=0] - * The index to start the search at - * - * @return {number} - * The time that offset at the specified index. - * - * @deprecated rangeIndex must be set to a value, in the future this will throw an error. - * @throws {Error} if rangeIndex is more than the length of ranges - */ - function getRange(fnName, valueIndex, ranges, rangeIndex) { - rangeCheck(fnName, rangeIndex, ranges.length - 1); - return ranges[rangeIndex][valueIndex]; - } - - /** - * Create a time range object given ranges of time. - * - * @private - * @param {Array} [ranges] - * An array of time ranges. - * - * @return {TimeRange} - */ - function createTimeRangesObj(ranges) { - let timeRangesObj; - if (ranges === undefined || ranges.length === 0) { - timeRangesObj = { - length: 0, - start() { - throw new Error('This TimeRanges object is empty'); - }, - end() { - throw new Error('This TimeRanges object is empty'); - } - }; - } else { - timeRangesObj = { - length: ranges.length, - start: getRange.bind(null, 'start', 0, ranges), - end: getRange.bind(null, 'end', 1, ranges) - }; - } - if (window.Symbol && window.Symbol.iterator) { - timeRangesObj[window.Symbol.iterator] = () => (ranges || []).values(); - } - return timeRangesObj; - } - - /** - * Create a `TimeRange` object which mimics an - * {@link https://developer.mozilla.org/en-US/docs/Web/API/TimeRanges|HTML5 TimeRanges instance}. - * - * @param {number|Array[]} start - * The start of a single range (a number) or an array of ranges (an - * array of arrays of two numbers each). - * - * @param {number} end - * The end of a single range. Cannot be used with the array form of - * the `start` argument. - * - * @return {TimeRange} - */ - function createTimeRanges(start, end) { - if (Array.isArray(start)) { - return createTimeRangesObj(start); - } else if (start === undefined || end === undefined) { - return createTimeRangesObj(); - } - return createTimeRangesObj([[start, end]]); - } - - /** - * Format seconds as a time string, H:MM:SS or M:SS. Supplying a guide (in - * seconds) will force a number of leading zeros to cover the length of the - * guide. - * - * @private - * @param {number} seconds - * Number of seconds to be turned into a string - * - * @param {number} guide - * Number (in seconds) to model the string after - * - * @return {string} - * Time formatted as H:MM:SS or M:SS - */ - const defaultImplementation = function (seconds, guide) { - seconds = seconds < 0 ? 0 : seconds; - let s = Math.floor(seconds % 60); - let m = Math.floor(seconds / 60 % 60); - let h = Math.floor(seconds / 3600); - const gm = Math.floor(guide / 60 % 60); - const gh = Math.floor(guide / 3600); - - // handle invalid times - if (isNaN(seconds) || seconds === Infinity) { - // '-' is false for all relational operators (e.g. <, >=) so this setting - // will add the minimum number of fields specified by the guide - h = m = s = '-'; - } - - // Check if we need to show hours - h = h > 0 || gh > 0 ? h + ':' : ''; - - // If hours are showing, we may need to add a leading zero. - // Always show at least one digit of minutes. - m = ((h || gm >= 10) && m < 10 ? '0' + m : m) + ':'; - - // Check if leading zero is need for seconds - s = s < 10 ? '0' + s : s; - return h + m + s; - }; - - // Internal pointer to the current implementation. - let implementation = defaultImplementation; - - /** - * Replaces the default formatTime implementation with a custom implementation. - * - * @param {Function} customImplementation - * A function which will be used in place of the default formatTime - * implementation. Will receive the current time in seconds and the - * guide (in seconds) as arguments. - */ - function setFormatTime(customImplementation) { - implementation = customImplementation; - } - - /** - * Resets formatTime to the default implementation. - */ - function resetFormatTime() { - implementation = defaultImplementation; - } - - /** - * Delegates to either the default time formatting function or a custom - * function supplied via `setFormatTime`. - * - * Formats seconds as a time string (H:MM:SS or M:SS). Supplying a - * guide (in seconds) will force a number of leading zeros to cover the - * length of the guide. - * - * @example formatTime(125, 600) === "02:05" - * @param {number} seconds - * Number of seconds to be turned into a string - * - * @param {number} guide - * Number (in seconds) to model the string after - * - * @return {string} - * Time formatted as H:MM:SS or M:SS - */ - function formatTime(seconds, guide = seconds) { - return implementation(seconds, guide); - } - - var Time = /*#__PURE__*/Object.freeze({ - __proto__: null, - createTimeRanges: createTimeRanges, - createTimeRange: createTimeRanges, - setFormatTime: setFormatTime, - resetFormatTime: resetFormatTime, - formatTime: formatTime - }); - - /** - * @file buffer.js - * @module buffer - */ - - /** - * Compute the percentage of the media that has been buffered. - * - * @param { import('./time').TimeRange } buffered - * The current `TimeRanges` object representing buffered time ranges - * - * @param {number} duration - * Total duration of the media - * - * @return {number} - * Percent buffered of the total duration in decimal form. - */ - function bufferedPercent(buffered, duration) { - let bufferedDuration = 0; - let start; - let end; - if (!duration) { - return 0; - } - if (!buffered || !buffered.length) { - buffered = createTimeRanges(0, 0); - } - for (let i = 0; i < buffered.length; i++) { - start = buffered.start(i); - end = buffered.end(i); - - // buffered end can be bigger than duration by a very small fraction - if (end > duration) { - end = duration; - } - bufferedDuration += end - start; - } - return bufferedDuration / duration; - } - - /** - * @file media-error.js - */ - - /** - * A Custom `MediaError` class which mimics the standard HTML5 `MediaError` class. - * - * @param {number|string|Object|MediaError} value - * This can be of multiple types: - * - number: should be a standard error code - * - string: an error message (the code will be 0) - * - Object: arbitrary properties - * - `MediaError` (native): used to populate a video.js `MediaError` object - * - `MediaError` (video.js): will return itself if it's already a - * video.js `MediaError` object. - * - * @see [MediaError Spec]{@link https://dev.w3.org/html5/spec-author-view/video.html#mediaerror} - * @see [Encrypted MediaError Spec]{@link https://www.w3.org/TR/2013/WD-encrypted-media-20130510/#error-codes} - * - * @class MediaError - */ - function MediaError(value) { - // Allow redundant calls to this constructor to avoid having `instanceof` - // checks peppered around the code. - if (value instanceof MediaError) { - return value; - } - if (typeof value === 'number') { - this.code = value; - } else if (typeof value === 'string') { - // default code is zero, so this is a custom error - this.message = value; - } else if (isObject(value)) { - // We assign the `code` property manually because native `MediaError` objects - // do not expose it as an own/enumerable property of the object. - if (typeof value.code === 'number') { - this.code = value.code; - } - Object.assign(this, value); - } - if (!this.message) { - this.message = MediaError.defaultMessages[this.code] || ''; - } - } - - /** - * The error code that refers two one of the defined `MediaError` types - * - * @type {Number} - */ - MediaError.prototype.code = 0; - - /** - * An optional message that to show with the error. Message is not part of the HTML5 - * video spec but allows for more informative custom errors. - * - * @type {String} - */ - MediaError.prototype.message = ''; - - /** - * An optional status code that can be set by plugins to allow even more detail about - * the error. For example a plugin might provide a specific HTTP status code and an - * error message for that code. Then when the plugin gets that error this class will - * know how to display an error message for it. This allows a custom message to show - * up on the `Player` error overlay. - * - * @type {Array} - */ - MediaError.prototype.status = null; - - /** - * An object containing an error type, as well as other information regarding the error. - * - * @typedef {{errorType: string, [key: string]: any}} ErrorMetadata - */ - - /** - * An optional object to give more detail about the error. This can be used to give - * a higher level of specificity to an error versus the more generic MediaError codes. - * `metadata` expects an `errorType` string that should align with the values from videojs.Error. - * - * @type {ErrorMetadata} - */ - MediaError.prototype.metadata = null; - - /** - * Errors indexed by the W3C standard. The order **CANNOT CHANGE**! See the - * specification listed under {@link MediaError} for more information. - * - * @enum {array} - * @readonly - * @property {string} 0 - MEDIA_ERR_CUSTOM - * @property {string} 1 - MEDIA_ERR_ABORTED - * @property {string} 2 - MEDIA_ERR_NETWORK - * @property {string} 3 - MEDIA_ERR_DECODE - * @property {string} 4 - MEDIA_ERR_SRC_NOT_SUPPORTED - * @property {string} 5 - MEDIA_ERR_ENCRYPTED - */ - MediaError.errorTypes = ['MEDIA_ERR_CUSTOM', 'MEDIA_ERR_ABORTED', 'MEDIA_ERR_NETWORK', 'MEDIA_ERR_DECODE', 'MEDIA_ERR_SRC_NOT_SUPPORTED', 'MEDIA_ERR_ENCRYPTED']; - - /** - * The default `MediaError` messages based on the {@link MediaError.errorTypes}. - * - * @type {Array} - * @constant - */ - MediaError.defaultMessages = { - 1: 'You aborted the media playback', - 2: 'A network error caused the media download to fail part-way.', - 3: 'The media playback was aborted due to a corruption problem or because the media used features your browser did not support.', - 4: 'The media could not be loaded, either because the server or network failed or because the format is not supported.', - 5: 'The media is encrypted and we do not have the keys to decrypt it.' - }; - - /** - * W3C error code for any custom error. - * - * @member MediaError#MEDIA_ERR_CUSTOM - * @constant {number} - * @default 0 - */ - MediaError.MEDIA_ERR_CUSTOM = 0; - - /** - * W3C error code for any custom error. - * - * @member MediaError.MEDIA_ERR_CUSTOM - * @constant {number} - * @default 0 - */ - MediaError.prototype.MEDIA_ERR_CUSTOM = 0; - - /** - * W3C error code for media error aborted. - * - * @member MediaError#MEDIA_ERR_ABORTED - * @constant {number} - * @default 1 - */ - MediaError.MEDIA_ERR_ABORTED = 1; - - /** - * W3C error code for media error aborted. - * - * @member MediaError.MEDIA_ERR_ABORTED - * @constant {number} - * @default 1 - */ - MediaError.prototype.MEDIA_ERR_ABORTED = 1; - - /** - * W3C error code for any network error. - * - * @member MediaError#MEDIA_ERR_NETWORK - * @constant {number} - * @default 2 - */ - MediaError.MEDIA_ERR_NETWORK = 2; - - /** - * W3C error code for any network error. - * - * @member MediaError.MEDIA_ERR_NETWORK - * @constant {number} - * @default 2 - */ - MediaError.prototype.MEDIA_ERR_NETWORK = 2; - - /** - * W3C error code for any decoding error. - * - * @member MediaError#MEDIA_ERR_DECODE - * @constant {number} - * @default 3 - */ - MediaError.MEDIA_ERR_DECODE = 3; - - /** - * W3C error code for any decoding error. - * - * @member MediaError.MEDIA_ERR_DECODE - * @constant {number} - * @default 3 - */ - MediaError.prototype.MEDIA_ERR_DECODE = 3; - - /** - * W3C error code for any time that a source is not supported. - * - * @member MediaError#MEDIA_ERR_SRC_NOT_SUPPORTED - * @constant {number} - * @default 4 - */ - MediaError.MEDIA_ERR_SRC_NOT_SUPPORTED = 4; - - /** - * W3C error code for any time that a source is not supported. - * - * @member MediaError.MEDIA_ERR_SRC_NOT_SUPPORTED - * @constant {number} - * @default 4 - */ - MediaError.prototype.MEDIA_ERR_SRC_NOT_SUPPORTED = 4; - - /** - * W3C error code for any time that a source is encrypted. - * - * @member MediaError#MEDIA_ERR_ENCRYPTED - * @constant {number} - * @default 5 - */ - MediaError.MEDIA_ERR_ENCRYPTED = 5; - - /** - * W3C error code for any time that a source is encrypted. - * - * @member MediaError.MEDIA_ERR_ENCRYPTED - * @constant {number} - * @default 5 - */ - MediaError.prototype.MEDIA_ERR_ENCRYPTED = 5; - - var tuple = SafeParseTuple; - function SafeParseTuple(obj, reviver) { - var json; - var error = null; - try { - json = JSON.parse(obj, reviver); - } catch (err) { - error = err; - } - return [error, json]; - } - - /** - * Returns whether an object is `Promise`-like (i.e. has a `then` method). - * - * @param {Object} value - * An object that may or may not be `Promise`-like. - * - * @return {boolean} - * Whether or not the object is `Promise`-like. - */ - function isPromise(value) { - return value !== undefined && value !== null && typeof value.then === 'function'; - } - - /** - * Silence a Promise-like object. - * - * This is useful for avoiding non-harmful, but potentially confusing "uncaught - * play promise" rejection error messages. - * - * @param {Object} value - * An object that may or may not be `Promise`-like. - */ - function silencePromise(value) { - if (isPromise(value)) { - value.then(null, e => {}); - } - } - - /** - * @file text-track-list-converter.js Utilities for capturing text track state and - * re-creating tracks based on a capture. - * - * @module text-track-list-converter - */ - - /** - * Examine a single {@link TextTrack} and return a JSON-compatible javascript object that - * represents the {@link TextTrack}'s state. - * - * @param {TextTrack} track - * The text track to query. - * - * @return {Object} - * A serializable javascript representation of the TextTrack. - * @private - */ - const trackToJson_ = function (track) { - const ret = ['kind', 'label', 'language', 'id', 'inBandMetadataTrackDispatchType', 'mode', 'src'].reduce((acc, prop, i) => { - if (track[prop]) { - acc[prop] = track[prop]; - } - return acc; - }, { - cues: track.cues && Array.prototype.map.call(track.cues, function (cue) { - return { - startTime: cue.startTime, - endTime: cue.endTime, - text: cue.text, - id: cue.id - }; - }) - }); - return ret; - }; - - /** - * Examine a {@link Tech} and return a JSON-compatible javascript array that represents the - * state of all {@link TextTrack}s currently configured. The return array is compatible with - * {@link text-track-list-converter:jsonToTextTracks}. - * - * @param { import('../tech/tech').default } tech - * The tech object to query - * - * @return {Array} - * A serializable javascript representation of the {@link Tech}s - * {@link TextTrackList}. - */ - const textTracksToJson = function (tech) { - const trackEls = tech.$$('track'); - const trackObjs = Array.prototype.map.call(trackEls, t => t.track); - const tracks = Array.prototype.map.call(trackEls, function (trackEl) { - const json = trackToJson_(trackEl.track); - if (trackEl.src) { - json.src = trackEl.src; - } - return json; - }); - return tracks.concat(Array.prototype.filter.call(tech.textTracks(), function (track) { - return trackObjs.indexOf(track) === -1; - }).map(trackToJson_)); - }; - - /** - * Create a set of remote {@link TextTrack}s on a {@link Tech} based on an array of javascript - * object {@link TextTrack} representations. - * - * @param {Array} json - * An array of `TextTrack` representation objects, like those that would be - * produced by `textTracksToJson`. - * - * @param {Tech} tech - * The `Tech` to create the `TextTrack`s on. - */ - const jsonToTextTracks = function (json, tech) { - json.forEach(function (track) { - const addedTrack = tech.addRemoteTextTrack(track).track; - if (!track.src && track.cues) { - track.cues.forEach(cue => addedTrack.addCue(cue)); - } - }); - return tech.textTracks(); - }; - var textTrackConverter = { - textTracksToJson, - jsonToTextTracks, - trackToJson_ - }; - - /** - * @file modal-dialog.js - */ - const MODAL_CLASS_NAME = 'vjs-modal-dialog'; - - /** - * The `ModalDialog` displays over the video and its controls, which blocks - * interaction with the player until it is closed. - * - * Modal dialogs include a "Close" button and will close when that button - * is activated - or when ESC is pressed anywhere. - * - * @extends Component - */ - class ModalDialog extends Component { - /** - * Create an instance of this class. - * - * @param { import('./player').default } player - * The `Player` that this class should be attached to. - * - * @param {Object} [options] - * The key/value store of player options. - * - * @param { import('./utils/dom').ContentDescriptor} [options.content=undefined] - * Provide customized content for this modal. - * - * @param {string} [options.description] - * A text description for the modal, primarily for accessibility. - * - * @param {boolean} [options.fillAlways=false] - * Normally, modals are automatically filled only the first time - * they open. This tells the modal to refresh its content - * every time it opens. - * - * @param {string} [options.label] - * A text label for the modal, primarily for accessibility. - * - * @param {boolean} [options.pauseOnOpen=true] - * If `true`, playback will will be paused if playing when - * the modal opens, and resumed when it closes. - * - * @param {boolean} [options.temporary=true] - * If `true`, the modal can only be opened once; it will be - * disposed as soon as it's closed. - * - * @param {boolean} [options.uncloseable=false] - * If `true`, the user will not be able to close the modal - * through the UI in the normal ways. Programmatic closing is - * still possible. - */ - constructor(player, options) { - super(player, options); - this.handleKeyDown_ = e => this.handleKeyDown(e); - this.close_ = e => this.close(e); - this.opened_ = this.hasBeenOpened_ = this.hasBeenFilled_ = false; - this.closeable(!this.options_.uncloseable); - this.content(this.options_.content); - - // Make sure the contentEl is defined AFTER any children are initialized - // because we only want the contents of the modal in the contentEl - // (not the UI elements like the close button). - this.contentEl_ = createEl('div', { - className: `${MODAL_CLASS_NAME}-content` - }, { - role: 'document' - }); - this.descEl_ = createEl('p', { - className: `${MODAL_CLASS_NAME}-description vjs-control-text`, - id: this.el().getAttribute('aria-describedby') - }); - textContent(this.descEl_, this.description()); - this.el_.appendChild(this.descEl_); - this.el_.appendChild(this.contentEl_); - } - - /** - * Create the `ModalDialog`'s DOM element - * - * @return {Element} - * The DOM element that gets created. - */ - createEl() { - return super.createEl('div', { - className: this.buildCSSClass(), - tabIndex: -1 - }, { - 'aria-describedby': `${this.id()}_description`, - 'aria-hidden': 'true', - 'aria-label': this.label(), - 'role': 'dialog', - 'aria-live': 'polite' - }); - } - dispose() { - this.contentEl_ = null; - this.descEl_ = null; - this.previouslyActiveEl_ = null; - super.dispose(); - } - - /** - * Builds the default DOM `className`. - * - * @return {string} - * The DOM `className` for this object. - */ - buildCSSClass() { - return `${MODAL_CLASS_NAME} vjs-hidden ${super.buildCSSClass()}`; - } - - /** - * Returns the label string for this modal. Primarily used for accessibility. - * - * @return {string} - * the localized or raw label of this modal. - */ - label() { - return this.localize(this.options_.label || 'Modal Window'); - } - - /** - * Returns the description string for this modal. Primarily used for - * accessibility. - * - * @return {string} - * The localized or raw description of this modal. - */ - description() { - let desc = this.options_.description || this.localize('This is a modal window.'); - - // Append a universal closeability message if the modal is closeable. - if (this.closeable()) { - desc += ' ' + this.localize('This modal can be closed by pressing the Escape key or activating the close button.'); - } - return desc; - } - - /** - * Opens the modal. - * - * @fires ModalDialog#beforemodalopen - * @fires ModalDialog#modalopen - */ - open() { - if (this.opened_) { - if (this.options_.fillAlways) { - this.fill(); - } - return; - } - const player = this.player(); - - /** - * Fired just before a `ModalDialog` is opened. - * - * @event ModalDialog#beforemodalopen - * @type {Event} - */ - this.trigger('beforemodalopen'); - this.opened_ = true; - - // Fill content if the modal has never opened before and - // never been filled. - if (this.options_.fillAlways || !this.hasBeenOpened_ && !this.hasBeenFilled_) { - this.fill(); - } - - // If the player was playing, pause it and take note of its previously - // playing state. - this.wasPlaying_ = !player.paused(); - if (this.options_.pauseOnOpen && this.wasPlaying_) { - player.pause(); - } - this.on('keydown', this.handleKeyDown_); - - // Hide controls and note if they were enabled. - this.hadControls_ = player.controls(); - player.controls(false); - this.show(); - this.conditionalFocus_(); - this.el().setAttribute('aria-hidden', 'false'); - - /** - * Fired just after a `ModalDialog` is opened. - * - * @event ModalDialog#modalopen - * @type {Event} - */ - this.trigger('modalopen'); - this.hasBeenOpened_ = true; - } - - /** - * If the `ModalDialog` is currently open or closed. - * - * @param {boolean} [value] - * If given, it will open (`true`) or close (`false`) the modal. - * - * @return {boolean} - * the current open state of the modaldialog - */ - opened(value) { - if (typeof value === 'boolean') { - this[value ? 'open' : 'close'](); - } - return this.opened_; - } - - /** - * Closes the modal, does nothing if the `ModalDialog` is - * not open. - * - * @fires ModalDialog#beforemodalclose - * @fires ModalDialog#modalclose - */ - close() { - if (!this.opened_) { - return; - } - const player = this.player(); - - /** - * Fired just before a `ModalDialog` is closed. - * - * @event ModalDialog#beforemodalclose - * @type {Event} - */ - this.trigger('beforemodalclose'); - this.opened_ = false; - if (this.wasPlaying_ && this.options_.pauseOnOpen) { - player.play(); - } - this.off('keydown', this.handleKeyDown_); - if (this.hadControls_) { - player.controls(true); - } - this.hide(); - this.el().setAttribute('aria-hidden', 'true'); - - /** - * Fired just after a `ModalDialog` is closed. - * - * @event ModalDialog#modalclose - * @type {Event} - */ - this.trigger('modalclose'); - this.conditionalBlur_(); - if (this.options_.temporary) { - this.dispose(); - } - } - - /** - * Check to see if the `ModalDialog` is closeable via the UI. - * - * @param {boolean} [value] - * If given as a boolean, it will set the `closeable` option. - * - * @return {boolean} - * Returns the final value of the closable option. - */ - closeable(value) { - if (typeof value === 'boolean') { - const closeable = this.closeable_ = !!value; - let close = this.getChild('closeButton'); - - // If this is being made closeable and has no close button, add one. - if (closeable && !close) { - // The close button should be a child of the modal - not its - // content element, so temporarily change the content element. - const temp = this.contentEl_; - this.contentEl_ = this.el_; - close = this.addChild('closeButton', { - controlText: 'Close Modal Dialog' - }); - this.contentEl_ = temp; - this.on(close, 'close', this.close_); - } - - // If this is being made uncloseable and has a close button, remove it. - if (!closeable && close) { - this.off(close, 'close', this.close_); - this.removeChild(close); - close.dispose(); - } - } - return this.closeable_; - } - - /** - * Fill the modal's content element with the modal's "content" option. - * The content element will be emptied before this change takes place. - */ - fill() { - this.fillWith(this.content()); - } - - /** - * Fill the modal's content element with arbitrary content. - * The content element will be emptied before this change takes place. - * - * @fires ModalDialog#beforemodalfill - * @fires ModalDialog#modalfill - * - * @param { import('./utils/dom').ContentDescriptor} [content] - * The same rules apply to this as apply to the `content` option. - */ - fillWith(content) { - const contentEl = this.contentEl(); - const parentEl = contentEl.parentNode; - const nextSiblingEl = contentEl.nextSibling; - - /** - * Fired just before a `ModalDialog` is filled with content. - * - * @event ModalDialog#beforemodalfill - * @type {Event} - */ - this.trigger('beforemodalfill'); - this.hasBeenFilled_ = true; - - // Detach the content element from the DOM before performing - // manipulation to avoid modifying the live DOM multiple times. - parentEl.removeChild(contentEl); - this.empty(); - insertContent(contentEl, content); - /** - * Fired just after a `ModalDialog` is filled with content. - * - * @event ModalDialog#modalfill - * @type {Event} - */ - this.trigger('modalfill'); - - // Re-inject the re-filled content element. - if (nextSiblingEl) { - parentEl.insertBefore(contentEl, nextSiblingEl); - } else { - parentEl.appendChild(contentEl); - } - - // make sure that the close button is last in the dialog DOM - const closeButton = this.getChild('closeButton'); - if (closeButton) { - parentEl.appendChild(closeButton.el_); - } - } - - /** - * Empties the content element. This happens anytime the modal is filled. - * - * @fires ModalDialog#beforemodalempty - * @fires ModalDialog#modalempty - */ - empty() { - /** - * Fired just before a `ModalDialog` is emptied. - * - * @event ModalDialog#beforemodalempty - * @type {Event} - */ - this.trigger('beforemodalempty'); - emptyEl(this.contentEl()); - - /** - * Fired just after a `ModalDialog` is emptied. - * - * @event ModalDialog#modalempty - * @type {Event} - */ - this.trigger('modalempty'); - } - - /** - * Gets or sets the modal content, which gets normalized before being - * rendered into the DOM. - * - * This does not update the DOM or fill the modal, but it is called during - * that process. - * - * @param { import('./utils/dom').ContentDescriptor} [value] - * If defined, sets the internal content value to be used on the - * next call(s) to `fill`. This value is normalized before being - * inserted. To "clear" the internal content value, pass `null`. - * - * @return { import('./utils/dom').ContentDescriptor} - * The current content of the modal dialog - */ - content(value) { - if (typeof value !== 'undefined') { - this.content_ = value; - } - return this.content_; - } - - /** - * conditionally focus the modal dialog if focus was previously on the player. - * - * @private - */ - conditionalFocus_() { - const activeEl = document.activeElement; - const playerEl = this.player_.el_; - this.previouslyActiveEl_ = null; - if (playerEl.contains(activeEl) || playerEl === activeEl) { - this.previouslyActiveEl_ = activeEl; - this.focus(); - } - } - - /** - * conditionally blur the element and refocus the last focused element - * - * @private - */ - conditionalBlur_() { - if (this.previouslyActiveEl_) { - this.previouslyActiveEl_.focus(); - this.previouslyActiveEl_ = null; - } - } - - /** - * Keydown handler. Attached when modal is focused. - * - * @listens keydown - */ - handleKeyDown(event) { - // Do not allow keydowns to reach out of the modal dialog. - event.stopPropagation(); - if (keycode.isEventKey(event, 'Escape') && this.closeable()) { - event.preventDefault(); - this.close(); - return; - } - - // exit early if it isn't a tab key - if (!keycode.isEventKey(event, 'Tab')) { - return; - } - const focusableEls = this.focusableEls_(); - const activeEl = this.el_.querySelector(':focus'); - let focusIndex; - for (let i = 0; i < focusableEls.length; i++) { - if (activeEl === focusableEls[i]) { - focusIndex = i; - break; - } - } - if (document.activeElement === this.el_) { - focusIndex = 0; - } - if (event.shiftKey && focusIndex === 0) { - focusableEls[focusableEls.length - 1].focus(); - event.preventDefault(); - } else if (!event.shiftKey && focusIndex === focusableEls.length - 1) { - focusableEls[0].focus(); - event.preventDefault(); - } - } - - /** - * get all focusable elements - * - * @private - */ - focusableEls_() { - const allChildren = this.el_.querySelectorAll('*'); - return Array.prototype.filter.call(allChildren, child => { - return (child instanceof window.HTMLAnchorElement || child instanceof window.HTMLAreaElement) && child.hasAttribute('href') || (child instanceof window.HTMLInputElement || child instanceof window.HTMLSelectElement || child instanceof window.HTMLTextAreaElement || child instanceof window.HTMLButtonElement) && !child.hasAttribute('disabled') || child instanceof window.HTMLIFrameElement || child instanceof window.HTMLObjectElement || child instanceof window.HTMLEmbedElement || child.hasAttribute('tabindex') && child.getAttribute('tabindex') !== -1 || child.hasAttribute('contenteditable'); - }); - } - } - - /** - * Default options for `ModalDialog` default options. - * - * @type {Object} - * @private - */ - ModalDialog.prototype.options_ = { - pauseOnOpen: true, - temporary: true - }; - Component.registerComponent('ModalDialog', ModalDialog); - - /** - * @file track-list.js - */ - - /** - * Common functionaliy between {@link TextTrackList}, {@link AudioTrackList}, and - * {@link VideoTrackList} - * - * @extends EventTarget - */ - class TrackList extends EventTarget { - /** - * Create an instance of this class - * - * @param { import('./track').default[] } tracks - * A list of tracks to initialize the list with. - * - * @abstract - */ - constructor(tracks = []) { - super(); - this.tracks_ = []; - - /** - * @memberof TrackList - * @member {number} length - * The current number of `Track`s in the this Trackist. - * @instance - */ - Object.defineProperty(this, 'length', { - get() { - return this.tracks_.length; - } - }); - for (let i = 0; i < tracks.length; i++) { - this.addTrack(tracks[i]); - } - } - - /** - * Add a {@link Track} to the `TrackList` - * - * @param { import('./track').default } track - * The audio, video, or text track to add to the list. - * - * @fires TrackList#addtrack - */ - addTrack(track) { - const index = this.tracks_.length; - if (!('' + index in this)) { - Object.defineProperty(this, index, { - get() { - return this.tracks_[index]; - } - }); - } - - // Do not add duplicate tracks - if (this.tracks_.indexOf(track) === -1) { - this.tracks_.push(track); - /** - * Triggered when a track is added to a track list. - * - * @event TrackList#addtrack - * @type {Event} - * @property {Track} track - * A reference to track that was added. - */ - this.trigger({ - track, - type: 'addtrack', - target: this - }); - } - - /** - * Triggered when a track label is changed. - * - * @event TrackList#addtrack - * @type {Event} - * @property {Track} track - * A reference to track that was added. - */ - track.labelchange_ = () => { - this.trigger({ - track, - type: 'labelchange', - target: this - }); - }; - if (isEvented(track)) { - track.addEventListener('labelchange', track.labelchange_); - } - } - - /** - * Remove a {@link Track} from the `TrackList` - * - * @param { import('./track').default } rtrack - * The audio, video, or text track to remove from the list. - * - * @fires TrackList#removetrack - */ - removeTrack(rtrack) { - let track; - for (let i = 0, l = this.length; i < l; i++) { - if (this[i] === rtrack) { - track = this[i]; - if (track.off) { - track.off(); - } - this.tracks_.splice(i, 1); - break; - } - } - if (!track) { - return; - } - - /** - * Triggered when a track is removed from track list. - * - * @event TrackList#removetrack - * @type {Event} - * @property {Track} track - * A reference to track that was removed. - */ - this.trigger({ - track, - type: 'removetrack', - target: this - }); - } - - /** - * Get a Track from the TrackList by a tracks id - * - * @param {string} id - the id of the track to get - * @method getTrackById - * @return { import('./track').default } - * @private - */ - getTrackById(id) { - let result = null; - for (let i = 0, l = this.length; i < l; i++) { - const track = this[i]; - if (track.id === id) { - result = track; - break; - } - } - return result; - } - } - - /** - * Triggered when a different track is selected/enabled. - * - * @event TrackList#change - * @type {Event} - */ - - /** - * Events that can be called with on + eventName. See {@link EventHandler}. - * - * @property {Object} TrackList#allowedEvents_ - * @protected - */ - TrackList.prototype.allowedEvents_ = { - change: 'change', - addtrack: 'addtrack', - removetrack: 'removetrack', - labelchange: 'labelchange' - }; - - // emulate attribute EventHandler support to allow for feature detection - for (const event in TrackList.prototype.allowedEvents_) { - TrackList.prototype['on' + event] = null; - } - - /** - * @file audio-track-list.js - */ - - /** - * Anywhere we call this function we diverge from the spec - * as we only support one enabled audiotrack at a time - * - * @param {AudioTrackList} list - * list to work on - * - * @param { import('./audio-track').default } track - * The track to skip - * - * @private - */ - const disableOthers$1 = function (list, track) { - for (let i = 0; i < list.length; i++) { - if (!Object.keys(list[i]).length || track.id === list[i].id) { - continue; - } - // another audio track is enabled, disable it - list[i].enabled = false; - } - }; - - /** - * The current list of {@link AudioTrack} for a media file. - * - * @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#audiotracklist} - * @extends TrackList - */ - class AudioTrackList extends TrackList { - /** - * Create an instance of this class. - * - * @param { import('./audio-track').default[] } [tracks=[]] - * A list of `AudioTrack` to instantiate the list with. - */ - constructor(tracks = []) { - // make sure only 1 track is enabled - // sorted from last index to first index - for (let i = tracks.length - 1; i >= 0; i--) { - if (tracks[i].enabled) { - disableOthers$1(tracks, tracks[i]); - break; - } - } - super(tracks); - this.changing_ = false; - } - - /** - * Add an {@link AudioTrack} to the `AudioTrackList`. - * - * @param { import('./audio-track').default } track - * The AudioTrack to add to the list - * - * @fires TrackList#addtrack - */ - addTrack(track) { - if (track.enabled) { - disableOthers$1(this, track); - } - super.addTrack(track); - // native tracks don't have this - if (!track.addEventListener) { - return; - } - track.enabledChange_ = () => { - // when we are disabling other tracks (since we don't support - // more than one track at a time) we will set changing_ - // to true so that we don't trigger additional change events - if (this.changing_) { - return; - } - this.changing_ = true; - disableOthers$1(this, track); - this.changing_ = false; - this.trigger('change'); - }; - - /** - * @listens AudioTrack#enabledchange - * @fires TrackList#change - */ - track.addEventListener('enabledchange', track.enabledChange_); - } - removeTrack(rtrack) { - super.removeTrack(rtrack); - if (rtrack.removeEventListener && rtrack.enabledChange_) { - rtrack.removeEventListener('enabledchange', rtrack.enabledChange_); - rtrack.enabledChange_ = null; - } - } - } - - /** - * @file video-track-list.js - */ - - /** - * Un-select all other {@link VideoTrack}s that are selected. - * - * @param {VideoTrackList} list - * list to work on - * - * @param { import('./video-track').default } track - * The track to skip - * - * @private - */ - const disableOthers = function (list, track) { - for (let i = 0; i < list.length; i++) { - if (!Object.keys(list[i]).length || track.id === list[i].id) { - continue; - } - // another video track is enabled, disable it - list[i].selected = false; - } - }; - - /** - * The current list of {@link VideoTrack} for a video. - * - * @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#videotracklist} - * @extends TrackList - */ - class VideoTrackList extends TrackList { - /** - * Create an instance of this class. - * - * @param {VideoTrack[]} [tracks=[]] - * A list of `VideoTrack` to instantiate the list with. - */ - constructor(tracks = []) { - // make sure only 1 track is enabled - // sorted from last index to first index - for (let i = tracks.length - 1; i >= 0; i--) { - if (tracks[i].selected) { - disableOthers(tracks, tracks[i]); - break; - } - } - super(tracks); - this.changing_ = false; - - /** - * @member {number} VideoTrackList#selectedIndex - * The current index of the selected {@link VideoTrack`}. - */ - Object.defineProperty(this, 'selectedIndex', { - get() { - for (let i = 0; i < this.length; i++) { - if (this[i].selected) { - return i; - } - } - return -1; - }, - set() {} - }); - } - - /** - * Add a {@link VideoTrack} to the `VideoTrackList`. - * - * @param { import('./video-track').default } track - * The VideoTrack to add to the list - * - * @fires TrackList#addtrack - */ - addTrack(track) { - if (track.selected) { - disableOthers(this, track); - } - super.addTrack(track); - // native tracks don't have this - if (!track.addEventListener) { - return; - } - track.selectedChange_ = () => { - if (this.changing_) { - return; - } - this.changing_ = true; - disableOthers(this, track); - this.changing_ = false; - this.trigger('change'); - }; - - /** - * @listens VideoTrack#selectedchange - * @fires TrackList#change - */ - track.addEventListener('selectedchange', track.selectedChange_); - } - removeTrack(rtrack) { - super.removeTrack(rtrack); - if (rtrack.removeEventListener && rtrack.selectedChange_) { - rtrack.removeEventListener('selectedchange', rtrack.selectedChange_); - rtrack.selectedChange_ = null; - } - } - } - - /** - * @file text-track-list.js - */ - - /** - * The current list of {@link TextTrack} for a media file. - * - * @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#texttracklist} - * @extends TrackList - */ - class TextTrackList extends TrackList { - /** - * Add a {@link TextTrack} to the `TextTrackList` - * - * @param { import('./text-track').default } track - * The text track to add to the list. - * - * @fires TrackList#addtrack - */ - addTrack(track) { - super.addTrack(track); - if (!this.queueChange_) { - this.queueChange_ = () => this.queueTrigger('change'); - } - if (!this.triggerSelectedlanguagechange) { - this.triggerSelectedlanguagechange_ = () => this.trigger('selectedlanguagechange'); - } - - /** - * @listens TextTrack#modechange - * @fires TrackList#change - */ - track.addEventListener('modechange', this.queueChange_); - const nonLanguageTextTrackKind = ['metadata', 'chapters']; - if (nonLanguageTextTrackKind.indexOf(track.kind) === -1) { - track.addEventListener('modechange', this.triggerSelectedlanguagechange_); - } - } - removeTrack(rtrack) { - super.removeTrack(rtrack); - - // manually remove the event handlers we added - if (rtrack.removeEventListener) { - if (this.queueChange_) { - rtrack.removeEventListener('modechange', this.queueChange_); - } - if (this.selectedlanguagechange_) { - rtrack.removeEventListener('modechange', this.triggerSelectedlanguagechange_); - } - } - } - } - - /** - * @file html-track-element-list.js - */ - - /** - * The current list of {@link HtmlTrackElement}s. - */ - class HtmlTrackElementList { - /** - * Create an instance of this class. - * - * @param {HtmlTrackElement[]} [tracks=[]] - * A list of `HtmlTrackElement` to instantiate the list with. - */ - constructor(trackElements = []) { - this.trackElements_ = []; - - /** - * @memberof HtmlTrackElementList - * @member {number} length - * The current number of `Track`s in the this Trackist. - * @instance - */ - Object.defineProperty(this, 'length', { - get() { - return this.trackElements_.length; - } - }); - for (let i = 0, length = trackElements.length; i < length; i++) { - this.addTrackElement_(trackElements[i]); - } - } - - /** - * Add an {@link HtmlTrackElement} to the `HtmlTrackElementList` - * - * @param {HtmlTrackElement} trackElement - * The track element to add to the list. - * - * @private - */ - addTrackElement_(trackElement) { - const index = this.trackElements_.length; - if (!('' + index in this)) { - Object.defineProperty(this, index, { - get() { - return this.trackElements_[index]; - } - }); - } - - // Do not add duplicate elements - if (this.trackElements_.indexOf(trackElement) === -1) { - this.trackElements_.push(trackElement); - } - } - - /** - * Get an {@link HtmlTrackElement} from the `HtmlTrackElementList` given an - * {@link TextTrack}. - * - * @param {TextTrack} track - * The track associated with a track element. - * - * @return {HtmlTrackElement|undefined} - * The track element that was found or undefined. - * - * @private - */ - getTrackElementByTrack_(track) { - let trackElement_; - for (let i = 0, length = this.trackElements_.length; i < length; i++) { - if (track === this.trackElements_[i].track) { - trackElement_ = this.trackElements_[i]; - break; - } - } - return trackElement_; - } - - /** - * Remove a {@link HtmlTrackElement} from the `HtmlTrackElementList` - * - * @param {HtmlTrackElement} trackElement - * The track element to remove from the list. - * - * @private - */ - removeTrackElement_(trackElement) { - for (let i = 0, length = this.trackElements_.length; i < length; i++) { - if (trackElement === this.trackElements_[i]) { - if (this.trackElements_[i].track && typeof this.trackElements_[i].track.off === 'function') { - this.trackElements_[i].track.off(); - } - if (typeof this.trackElements_[i].off === 'function') { - this.trackElements_[i].off(); - } - this.trackElements_.splice(i, 1); - break; - } - } - } - } - - /** - * @file text-track-cue-list.js - */ - - /** - * @typedef {Object} TextTrackCueList~TextTrackCue - * - * @property {string} id - * The unique id for this text track cue - * - * @property {number} startTime - * The start time for this text track cue - * - * @property {number} endTime - * The end time for this text track cue - * - * @property {boolean} pauseOnExit - * Pause when the end time is reached if true. - * - * @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#texttrackcue} - */ - - /** - * A List of TextTrackCues. - * - * @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#texttrackcuelist} - */ - class TextTrackCueList { - /** - * Create an instance of this class.. - * - * @param {Array} cues - * A list of cues to be initialized with - */ - constructor(cues) { - TextTrackCueList.prototype.setCues_.call(this, cues); - - /** - * @memberof TextTrackCueList - * @member {number} length - * The current number of `TextTrackCue`s in the TextTrackCueList. - * @instance - */ - Object.defineProperty(this, 'length', { - get() { - return this.length_; - } - }); - } - - /** - * A setter for cues in this list. Creates getters - * an an index for the cues. - * - * @param {Array} cues - * An array of cues to set - * - * @private - */ - setCues_(cues) { - const oldLength = this.length || 0; - let i = 0; - const l = cues.length; - this.cues_ = cues; - this.length_ = cues.length; - const defineProp = function (index) { - if (!('' + index in this)) { - Object.defineProperty(this, '' + index, { - get() { - return this.cues_[index]; - } - }); - } - }; - if (oldLength < l) { - i = oldLength; - for (; i < l; i++) { - defineProp.call(this, i); - } - } - } - - /** - * Get a `TextTrackCue` that is currently in the `TextTrackCueList` by id. - * - * @param {string} id - * The id of the cue that should be searched for. - * - * @return {TextTrackCueList~TextTrackCue|null} - * A single cue or null if none was found. - */ - getCueById(id) { - let result = null; - for (let i = 0, l = this.length; i < l; i++) { - const cue = this[i]; - if (cue.id === id) { - result = cue; - break; - } - } - return result; - } - } - - /** - * @file track-kinds.js - */ - - /** - * All possible `VideoTrackKind`s - * - * @see https://html.spec.whatwg.org/multipage/embedded-content.html#dom-videotrack-kind - * @typedef VideoTrack~Kind - * @enum - */ - const VideoTrackKind = { - alternative: 'alternative', - captions: 'captions', - main: 'main', - sign: 'sign', - subtitles: 'subtitles', - commentary: 'commentary' - }; - - /** - * All possible `AudioTrackKind`s - * - * @see https://html.spec.whatwg.org/multipage/embedded-content.html#dom-audiotrack-kind - * @typedef AudioTrack~Kind - * @enum - */ - const AudioTrackKind = { - 'alternative': 'alternative', - 'descriptions': 'descriptions', - 'main': 'main', - 'main-desc': 'main-desc', - 'translation': 'translation', - 'commentary': 'commentary' - }; - - /** - * All possible `TextTrackKind`s - * - * @see https://html.spec.whatwg.org/multipage/embedded-content.html#dom-texttrack-kind - * @typedef TextTrack~Kind - * @enum - */ - const TextTrackKind = { - subtitles: 'subtitles', - captions: 'captions', - descriptions: 'descriptions', - chapters: 'chapters', - metadata: 'metadata' - }; - - /** - * All possible `TextTrackMode`s - * - * @see https://html.spec.whatwg.org/multipage/embedded-content.html#texttrackmode - * @typedef TextTrack~Mode - * @enum - */ - const TextTrackMode = { - disabled: 'disabled', - hidden: 'hidden', - showing: 'showing' - }; - - /** - * @file track.js - */ - - /** - * A Track class that contains all of the common functionality for {@link AudioTrack}, - * {@link VideoTrack}, and {@link TextTrack}. - * - * > Note: This class should not be used directly - * - * @see {@link https://html.spec.whatwg.org/multipage/embedded-content.html} - * @extends EventTarget - * @abstract - */ - class Track extends EventTarget { - /** - * Create an instance of this class. - * - * @param {Object} [options={}] - * Object of option names and values - * - * @param {string} [options.kind=''] - * A valid kind for the track type you are creating. - * - * @param {string} [options.id='vjs_track_' + Guid.newGUID()] - * A unique id for this AudioTrack. - * - * @param {string} [options.label=''] - * The menu label for this track. - * - * @param {string} [options.language=''] - * A valid two character language code. - * - * @abstract - */ - constructor(options = {}) { - super(); - const trackProps = { - id: options.id || 'vjs_track_' + newGUID(), - kind: options.kind || '', - language: options.language || '' - }; - let label = options.label || ''; - - /** - * @memberof Track - * @member {string} id - * The id of this track. Cannot be changed after creation. - * @instance - * - * @readonly - */ - - /** - * @memberof Track - * @member {string} kind - * The kind of track that this is. Cannot be changed after creation. - * @instance - * - * @readonly - */ - - /** - * @memberof Track - * @member {string} language - * The two letter language code for this track. Cannot be changed after - * creation. - * @instance - * - * @readonly - */ - - for (const key in trackProps) { - Object.defineProperty(this, key, { - get() { - return trackProps[key]; - }, - set() {} - }); - } - - /** - * @memberof Track - * @member {string} label - * The label of this track. Cannot be changed after creation. - * @instance - * - * @fires Track#labelchange - */ - Object.defineProperty(this, 'label', { - get() { - return label; - }, - set(newLabel) { - if (newLabel !== label) { - label = newLabel; - - /** - * An event that fires when label changes on this track. - * - * > Note: This is not part of the spec! - * - * @event Track#labelchange - * @type {Event} - */ - this.trigger('labelchange'); - } - } - }); - } - } - - /** - * @file url.js - * @module url - */ - - /** - * @typedef {Object} url:URLObject - * - * @property {string} protocol - * The protocol of the url that was parsed. - * - * @property {string} hostname - * The hostname of the url that was parsed. - * - * @property {string} port - * The port of the url that was parsed. - * - * @property {string} pathname - * The pathname of the url that was parsed. - * - * @property {string} search - * The search query of the url that was parsed. - * - * @property {string} hash - * The hash of the url that was parsed. - * - * @property {string} host - * The host of the url that was parsed. - */ - - /** - * Resolve and parse the elements of a URL. - * - * @function - * @param {String} url - * The url to parse - * - * @return {url:URLObject} - * An object of url details - */ - const parseUrl = function (url) { - // This entire method can be replace with URL once we are able to drop IE11 - - const props = ['protocol', 'hostname', 'port', 'pathname', 'search', 'hash', 'host']; - - // add the url to an anchor and let the browser parse the URL - const a = document.createElement('a'); - a.href = url; - - // Copy the specific URL properties to a new object - // This is also needed for IE because the anchor loses its - // properties when it's removed from the dom - const details = {}; - for (let i = 0; i < props.length; i++) { - details[props[i]] = a[props[i]]; - } - - // IE adds the port to the host property unlike everyone else. If - // a port identifier is added for standard ports, strip it. - if (details.protocol === 'http:') { - details.host = details.host.replace(/:80$/, ''); - } - if (details.protocol === 'https:') { - details.host = details.host.replace(/:443$/, ''); - } - if (!details.protocol) { - details.protocol = window.location.protocol; - } - - /* istanbul ignore if */ - if (!details.host) { - details.host = window.location.host; - } - return details; - }; - - /** - * Get absolute version of relative URL. - * - * @function - * @param {string} url - * URL to make absolute - * - * @return {string} - * Absolute URL - * - * @see http://stackoverflow.com/questions/470832/getting-an-absolute-url-from-a-relative-one-ie6-issue - */ - const getAbsoluteURL = function (url) { - // Check if absolute URL - if (!url.match(/^https?:\/\//)) { - // Add the url to an anchor and let the browser parse it to convert to an absolute url - const a = document.createElement('a'); - a.href = url; - url = a.href; - } - return url; - }; - - /** - * Returns the extension of the passed file name. It will return an empty string - * if passed an invalid path. - * - * @function - * @param {string} path - * The fileName path like '/path/to/file.mp4' - * - * @return {string} - * The extension in lower case or an empty string if no - * extension could be found. - */ - const getFileExtension = function (path) { - if (typeof path === 'string') { - const splitPathRe = /^(\/?)([\s\S]*?)((?:\.{1,2}|[^\/]+?)(\.([^\.\/\?]+)))(?:[\/]*|[\?].*)$/; - const pathParts = splitPathRe.exec(path); - if (pathParts) { - return pathParts.pop().toLowerCase(); - } - } - return ''; - }; - - /** - * Returns whether the url passed is a cross domain request or not. - * - * @function - * @param {string} url - * The url to check. - * - * @param {Object} [winLoc] - * the domain to check the url against, defaults to window.location - * - * @param {string} [winLoc.protocol] - * The window location protocol defaults to window.location.protocol - * - * @param {string} [winLoc.host] - * The window location host defaults to window.location.host - * - * @return {boolean} - * Whether it is a cross domain request or not. - */ - const isCrossOrigin = function (url, winLoc = window.location) { - const urlInfo = parseUrl(url); - - // IE8 protocol relative urls will return ':' for protocol - const srcProtocol = urlInfo.protocol === ':' ? winLoc.protocol : urlInfo.protocol; - - // Check if url is for another domain/origin - // IE8 doesn't know location.origin, so we won't rely on it here - const crossOrigin = srcProtocol + urlInfo.host !== winLoc.protocol + winLoc.host; - return crossOrigin; - }; - - var Url = /*#__PURE__*/Object.freeze({ - __proto__: null, - parseUrl: parseUrl, - getAbsoluteURL: getAbsoluteURL, - getFileExtension: getFileExtension, - isCrossOrigin: isCrossOrigin - }); - - var win; - if (typeof window !== "undefined") { - win = window; - } else if (typeof commonjsGlobal !== "undefined") { - win = commonjsGlobal; - } else if (typeof self !== "undefined") { - win = self; - } else { - win = {}; - } - var window_1 = win; - - var _extends_1 = createCommonjsModule(function (module) { - function _extends() { - module.exports = _extends = Object.assign ? Object.assign.bind() : function (target) { - for (var i = 1; i < arguments.length; i++) { - var source = arguments[i]; - for (var key in source) { - if (Object.prototype.hasOwnProperty.call(source, key)) { - target[key] = source[key]; - } - } - } - return target; - }, module.exports.__esModule = true, module.exports["default"] = module.exports; - return _extends.apply(this, arguments); - } - module.exports = _extends, module.exports.__esModule = true, module.exports["default"] = module.exports; - }); - unwrapExports(_extends_1); - - var isFunction_1 = isFunction; - var toString = Object.prototype.toString; - function isFunction(fn) { - if (!fn) { - return false; - } - var string = toString.call(fn); - return string === '[object Function]' || typeof fn === 'function' && string !== '[object RegExp]' || typeof window !== 'undefined' && ( - // IE8 and below - fn === window.setTimeout || fn === window.alert || fn === window.confirm || fn === window.prompt); - } - - var httpResponseHandler = function httpResponseHandler(callback, decodeResponseBody) { - if (decodeResponseBody === void 0) { - decodeResponseBody = false; - } - return function (err, response, responseBody) { - // if the XHR failed, return that error - if (err) { - callback(err); - return; - } // if the HTTP status code is 4xx or 5xx, the request also failed - - if (response.statusCode >= 400 && response.statusCode <= 599) { - var cause = responseBody; - if (decodeResponseBody) { - if (window_1.TextDecoder) { - var charset = getCharset(response.headers && response.headers['content-type']); - try { - cause = new TextDecoder(charset).decode(responseBody); - } catch (e) {} - } else { - cause = String.fromCharCode.apply(null, new Uint8Array(responseBody)); - } - } - callback({ - cause: cause - }); - return; - } // otherwise, request succeeded - - callback(null, responseBody); - }; - }; - function getCharset(contentTypeHeader) { - if (contentTypeHeader === void 0) { - contentTypeHeader = ''; - } - return contentTypeHeader.toLowerCase().split(';').reduce(function (charset, contentType) { - var _contentType$split = contentType.split('='), - type = _contentType$split[0], - value = _contentType$split[1]; - if (type.trim() === 'charset') { - return value.trim(); - } - return charset; - }, 'utf-8'); - } - var httpHandler = httpResponseHandler; - - createXHR.httpHandler = httpHandler; - /** - * @license - * slighly modified parse-headers 2.0.2 - * Copyright (c) 2014 David Björklund - * Available under the MIT license - * - */ - - var parseHeaders = function parseHeaders(headers) { - var result = {}; - if (!headers) { - return result; - } - headers.trim().split('\n').forEach(function (row) { - var index = row.indexOf(':'); - var key = row.slice(0, index).trim().toLowerCase(); - var value = row.slice(index + 1).trim(); - if (typeof result[key] === 'undefined') { - result[key] = value; - } else if (Array.isArray(result[key])) { - result[key].push(value); - } else { - result[key] = [result[key], value]; - } - }); - return result; - }; - var lib = createXHR; // Allow use of default import syntax in TypeScript - - var default_1 = createXHR; - createXHR.XMLHttpRequest = window_1.XMLHttpRequest || noop; - createXHR.XDomainRequest = "withCredentials" in new createXHR.XMLHttpRequest() ? createXHR.XMLHttpRequest : window_1.XDomainRequest; - forEachArray(["get", "put", "post", "patch", "head", "delete"], function (method) { - createXHR[method === "delete" ? "del" : method] = function (uri, options, callback) { - options = initParams(uri, options, callback); - options.method = method.toUpperCase(); - return _createXHR(options); - }; - }); - function forEachArray(array, iterator) { - for (var i = 0; i < array.length; i++) { - iterator(array[i]); - } - } - function isEmpty(obj) { - for (var i in obj) { - if (obj.hasOwnProperty(i)) return false; - } - return true; - } - function initParams(uri, options, callback) { - var params = uri; - if (isFunction_1(options)) { - callback = options; - if (typeof uri === "string") { - params = { - uri: uri - }; - } - } else { - params = _extends_1({}, options, { - uri: uri - }); - } - params.callback = callback; - return params; - } - function createXHR(uri, options, callback) { - options = initParams(uri, options, callback); - return _createXHR(options); - } - function _createXHR(options) { - if (typeof options.callback === "undefined") { - throw new Error("callback argument missing"); - } - var called = false; - var callback = function cbOnce(err, response, body) { - if (!called) { - called = true; - options.callback(err, response, body); - } - }; - function readystatechange() { - if (xhr.readyState === 4) { - setTimeout(loadFunc, 0); - } - } - function getBody() { - // Chrome with requestType=blob throws errors arround when even testing access to responseText - var body = undefined; - if (xhr.response) { - body = xhr.response; - } else { - body = xhr.responseText || getXml(xhr); - } - if (isJson) { - try { - body = JSON.parse(body); - } catch (e) {} - } - return body; - } - function errorFunc(evt) { - clearTimeout(timeoutTimer); - if (!(evt instanceof Error)) { - evt = new Error("" + (evt || "Unknown XMLHttpRequest Error")); - } - evt.statusCode = 0; - return callback(evt, failureResponse); - } // will load the data & process the response in a special response object - - function loadFunc() { - if (aborted) return; - var status; - clearTimeout(timeoutTimer); - if (options.useXDR && xhr.status === undefined) { - //IE8 CORS GET successful response doesn't have a status field, but body is fine - status = 200; - } else { - status = xhr.status === 1223 ? 204 : xhr.status; - } - var response = failureResponse; - var err = null; - if (status !== 0) { - response = { - body: getBody(), - statusCode: status, - method: method, - headers: {}, - url: uri, - rawRequest: xhr - }; - if (xhr.getAllResponseHeaders) { - //remember xhr can in fact be XDR for CORS in IE - response.headers = parseHeaders(xhr.getAllResponseHeaders()); - } - } else { - err = new Error("Internal XMLHttpRequest Error"); - } - return callback(err, response, response.body); - } - var xhr = options.xhr || null; - if (!xhr) { - if (options.cors || options.useXDR) { - xhr = new createXHR.XDomainRequest(); - } else { - xhr = new createXHR.XMLHttpRequest(); - } - } - var key; - var aborted; - var uri = xhr.url = options.uri || options.url; - var method = xhr.method = options.method || "GET"; - var body = options.body || options.data; - var headers = xhr.headers = options.headers || {}; - var sync = !!options.sync; - var isJson = false; - var timeoutTimer; - var failureResponse = { - body: undefined, - headers: {}, - statusCode: 0, - method: method, - url: uri, - rawRequest: xhr - }; - if ("json" in options && options.json !== false) { - isJson = true; - headers["accept"] || headers["Accept"] || (headers["Accept"] = "application/json"); //Don't override existing accept header declared by user - - if (method !== "GET" && method !== "HEAD") { - headers["content-type"] || headers["Content-Type"] || (headers["Content-Type"] = "application/json"); //Don't override existing accept header declared by user - - body = JSON.stringify(options.json === true ? body : options.json); - } - } - xhr.onreadystatechange = readystatechange; - xhr.onload = loadFunc; - xhr.onerror = errorFunc; // IE9 must have onprogress be set to a unique function. - - xhr.onprogress = function () {// IE must die - }; - xhr.onabort = function () { - aborted = true; - }; - xhr.ontimeout = errorFunc; - xhr.open(method, uri, !sync, options.username, options.password); //has to be after open - - if (!sync) { - xhr.withCredentials = !!options.withCredentials; - } // Cannot set timeout with sync request - // not setting timeout on the xhr object, because of old webkits etc. not handling that correctly - // both npm's request and jquery 1.x use this kind of timeout, so this is being consistent - - if (!sync && options.timeout > 0) { - timeoutTimer = setTimeout(function () { - if (aborted) return; - aborted = true; //IE9 may still call readystatechange - - xhr.abort("timeout"); - var e = new Error("XMLHttpRequest timeout"); - e.code = "ETIMEDOUT"; - errorFunc(e); - }, options.timeout); - } - if (xhr.setRequestHeader) { - for (key in headers) { - if (headers.hasOwnProperty(key)) { - xhr.setRequestHeader(key, headers[key]); - } - } - } else if (options.headers && !isEmpty(options.headers)) { - throw new Error("Headers cannot be set on an XDomainRequest object"); - } - if ("responseType" in options) { - xhr.responseType = options.responseType; - } - if ("beforeSend" in options && typeof options.beforeSend === "function") { - options.beforeSend(xhr); - } // Microsoft Edge browser sends "undefined" when send is called with undefined value. - // XMLHttpRequest spec says to pass null as body to indicate no body - // See https://github.com/naugtur/xhr/issues/100. - - xhr.send(body || null); - return xhr; - } - function getXml(xhr) { - // xhr.responseXML will throw Exception "InvalidStateError" or "DOMException" - // See https://developer.mozilla.org/en-US/docs/Web/API/XMLHttpRequest/responseXML. - try { - if (xhr.responseType === "document") { - return xhr.responseXML; - } - var firefoxBugTakenEffect = xhr.responseXML && xhr.responseXML.documentElement.nodeName === "parsererror"; - if (xhr.responseType === "" && !firefoxBugTakenEffect) { - return xhr.responseXML; - } - } catch (e) {} - return null; - } - function noop() {} - lib.default = default_1; - - /** - * @file text-track.js - */ - - /** - * Takes a webvtt file contents and parses it into cues - * - * @param {string} srcContent - * webVTT file contents - * - * @param {TextTrack} track - * TextTrack to add cues to. Cues come from the srcContent. - * - * @private - */ - const parseCues = function (srcContent, track) { - const parser = new window.WebVTT.Parser(window, window.vttjs, window.WebVTT.StringDecoder()); - const errors = []; - parser.oncue = function (cue) { - track.addCue(cue); - }; - parser.onparsingerror = function (error) { - errors.push(error); - }; - parser.onflush = function () { - track.trigger({ - type: 'loadeddata', - target: track - }); - }; - parser.parse(srcContent); - if (errors.length > 0) { - if (window.console && window.console.groupCollapsed) { - window.console.groupCollapsed(`Text Track parsing errors for ${track.src}`); - } - errors.forEach(error => log.error(error)); - if (window.console && window.console.groupEnd) { - window.console.groupEnd(); - } - } - parser.flush(); - }; - - /** - * Load a `TextTrack` from a specified url. - * - * @param {string} src - * Url to load track from. - * - * @param {TextTrack} track - * Track to add cues to. Comes from the content at the end of `url`. - * - * @private - */ - const loadTrack = function (src, track) { - const opts = { - uri: src - }; - const crossOrigin = isCrossOrigin(src); - if (crossOrigin) { - opts.cors = crossOrigin; - } - const withCredentials = track.tech_.crossOrigin() === 'use-credentials'; - if (withCredentials) { - opts.withCredentials = withCredentials; - } - lib(opts, bind_(this, function (err, response, responseBody) { - if (err) { - return log.error(err, response); - } - track.loaded_ = true; - - // Make sure that vttjs has loaded, otherwise, wait till it finished loading - // NOTE: this is only used for the alt/video.novtt.js build - if (typeof window.WebVTT !== 'function') { - if (track.tech_) { - // to prevent use before define eslint error, we define loadHandler - // as a let here - track.tech_.any(['vttjsloaded', 'vttjserror'], event => { - if (event.type === 'vttjserror') { - log.error(`vttjs failed to load, stopping trying to process ${track.src}`); - return; - } - return parseCues(responseBody, track); - }); - } - } else { - parseCues(responseBody, track); - } - })); - }; - - /** - * A representation of a single `TextTrack`. - * - * @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#texttrack} - * @extends Track - */ - class TextTrack extends Track { - /** - * Create an instance of this class. - * - * @param {Object} options={} - * Object of option names and values - * - * @param { import('../tech/tech').default } options.tech - * A reference to the tech that owns this TextTrack. - * - * @param {TextTrack~Kind} [options.kind='subtitles'] - * A valid text track kind. - * - * @param {TextTrack~Mode} [options.mode='disabled'] - * A valid text track mode. - * - * @param {string} [options.id='vjs_track_' + Guid.newGUID()] - * A unique id for this TextTrack. - * - * @param {string} [options.label=''] - * The menu label for this track. - * - * @param {string} [options.language=''] - * A valid two character language code. - * - * @param {string} [options.srclang=''] - * A valid two character language code. An alternative, but deprioritized - * version of `options.language` - * - * @param {string} [options.src] - * A url to TextTrack cues. - * - * @param {boolean} [options.default] - * If this track should default to on or off. - */ - constructor(options = {}) { - if (!options.tech) { - throw new Error('A tech was not provided.'); - } - const settings = merge(options, { - kind: TextTrackKind[options.kind] || 'subtitles', - language: options.language || options.srclang || '' - }); - let mode = TextTrackMode[settings.mode] || 'disabled'; - const default_ = settings.default; - if (settings.kind === 'metadata' || settings.kind === 'chapters') { - mode = 'hidden'; - } - super(settings); - this.tech_ = settings.tech; - this.cues_ = []; - this.activeCues_ = []; - this.preload_ = this.tech_.preloadTextTracks !== false; - const cues = new TextTrackCueList(this.cues_); - const activeCues = new TextTrackCueList(this.activeCues_); - let changed = false; - this.timeupdateHandler = bind_(this, function (event = {}) { - if (this.tech_.isDisposed()) { - return; - } - if (!this.tech_.isReady_) { - if (event.type !== 'timeupdate') { - this.rvf_ = this.tech_.requestVideoFrameCallback(this.timeupdateHandler); - } - return; - } - - // Accessing this.activeCues for the side-effects of updating itself - // due to its nature as a getter function. Do not remove or cues will - // stop updating! - // Use the setter to prevent deletion from uglify (pure_getters rule) - this.activeCues = this.activeCues; - if (changed) { - this.trigger('cuechange'); - changed = false; - } - if (event.type !== 'timeupdate') { - this.rvf_ = this.tech_.requestVideoFrameCallback(this.timeupdateHandler); - } - }); - const disposeHandler = () => { - this.stopTracking(); - }; - this.tech_.one('dispose', disposeHandler); - if (mode !== 'disabled') { - this.startTracking(); - } - Object.defineProperties(this, { - /** - * @memberof TextTrack - * @member {boolean} default - * If this track was set to be on or off by default. Cannot be changed after - * creation. - * @instance - * - * @readonly - */ - default: { - get() { - return default_; - }, - set() {} - }, - /** - * @memberof TextTrack - * @member {string} mode - * Set the mode of this TextTrack to a valid {@link TextTrack~Mode}. Will - * not be set if setting to an invalid mode. - * @instance - * - * @fires TextTrack#modechange - */ - mode: { - get() { - return mode; - }, - set(newMode) { - if (!TextTrackMode[newMode]) { - return; - } - if (mode === newMode) { - return; - } - mode = newMode; - if (!this.preload_ && mode !== 'disabled' && this.cues.length === 0) { - // On-demand load. - loadTrack(this.src, this); - } - this.stopTracking(); - if (mode !== 'disabled') { - this.startTracking(); - } - /** - * An event that fires when mode changes on this track. This allows - * the TextTrackList that holds this track to act accordingly. - * - * > Note: This is not part of the spec! - * - * @event TextTrack#modechange - * @type {Event} - */ - this.trigger('modechange'); - } - }, - /** - * @memberof TextTrack - * @member {TextTrackCueList} cues - * The text track cue list for this TextTrack. - * @instance - */ - cues: { - get() { - if (!this.loaded_) { - return null; - } - return cues; - }, - set() {} - }, - /** - * @memberof TextTrack - * @member {TextTrackCueList} activeCues - * The list text track cues that are currently active for this TextTrack. - * @instance - */ - activeCues: { - get() { - if (!this.loaded_) { - return null; - } - - // nothing to do - if (this.cues.length === 0) { - return activeCues; - } - const ct = this.tech_.currentTime(); - const active = []; - for (let i = 0, l = this.cues.length; i < l; i++) { - const cue = this.cues[i]; - if (cue.startTime <= ct && cue.endTime >= ct) { - active.push(cue); - } - } - changed = false; - if (active.length !== this.activeCues_.length) { - changed = true; - } else { - for (let i = 0; i < active.length; i++) { - if (this.activeCues_.indexOf(active[i]) === -1) { - changed = true; - } - } - } - this.activeCues_ = active; - activeCues.setCues_(this.activeCues_); - return activeCues; - }, - // /!\ Keep this setter empty (see the timeupdate handler above) - set() {} - } - }); - if (settings.src) { - this.src = settings.src; - if (!this.preload_) { - // Tracks will load on-demand. - // Act like we're loaded for other purposes. - this.loaded_ = true; - } - if (this.preload_ || settings.kind !== 'subtitles' && settings.kind !== 'captions') { - loadTrack(this.src, this); - } - } else { - this.loaded_ = true; - } - } - startTracking() { - // More precise cues based on requestVideoFrameCallback with a requestAnimationFram fallback - this.rvf_ = this.tech_.requestVideoFrameCallback(this.timeupdateHandler); - // Also listen to timeupdate in case rVFC/rAF stops (window in background, audio in video el) - this.tech_.on('timeupdate', this.timeupdateHandler); - } - stopTracking() { - if (this.rvf_) { - this.tech_.cancelVideoFrameCallback(this.rvf_); - this.rvf_ = undefined; - } - this.tech_.off('timeupdate', this.timeupdateHandler); - } - - /** - * Add a cue to the internal list of cues. - * - * @param {TextTrack~Cue} cue - * The cue to add to our internal list - */ - addCue(originalCue) { - let cue = originalCue; - - // Testing if the cue is a VTTCue in a way that survives minification - if (!('getCueAsHTML' in cue)) { - cue = new window.vttjs.VTTCue(originalCue.startTime, originalCue.endTime, originalCue.text); - for (const prop in originalCue) { - if (!(prop in cue)) { - cue[prop] = originalCue[prop]; - } - } - - // make sure that `id` is copied over - cue.id = originalCue.id; - cue.originalCue_ = originalCue; - } - const tracks = this.tech_.textTracks(); - for (let i = 0; i < tracks.length; i++) { - if (tracks[i] !== this) { - tracks[i].removeCue(cue); - } - } - this.cues_.push(cue); - this.cues.setCues_(this.cues_); - } - - /** - * Remove a cue from our internal list - * - * @param {TextTrack~Cue} removeCue - * The cue to remove from our internal list - */ - removeCue(removeCue) { - let i = this.cues_.length; - while (i--) { - const cue = this.cues_[i]; - if (cue === removeCue || cue.originalCue_ && cue.originalCue_ === removeCue) { - this.cues_.splice(i, 1); - this.cues.setCues_(this.cues_); - break; - } - } - } - } - - /** - * cuechange - One or more cues in the track have become active or stopped being active. - * @protected - */ - TextTrack.prototype.allowedEvents_ = { - cuechange: 'cuechange' - }; - - /** - * A representation of a single `AudioTrack`. If it is part of an {@link AudioTrackList} - * only one `AudioTrack` in the list will be enabled at a time. - * - * @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#audiotrack} - * @extends Track - */ - class AudioTrack extends Track { - /** - * Create an instance of this class. - * - * @param {Object} [options={}] - * Object of option names and values - * - * @param {AudioTrack~Kind} [options.kind=''] - * A valid audio track kind - * - * @param {string} [options.id='vjs_track_' + Guid.newGUID()] - * A unique id for this AudioTrack. - * - * @param {string} [options.label=''] - * The menu label for this track. - * - * @param {string} [options.language=''] - * A valid two character language code. - * - * @param {boolean} [options.enabled] - * If this track is the one that is currently playing. If this track is part of - * an {@link AudioTrackList}, only one {@link AudioTrack} will be enabled. - */ - constructor(options = {}) { - const settings = merge(options, { - kind: AudioTrackKind[options.kind] || '' - }); - super(settings); - let enabled = false; - - /** - * @memberof AudioTrack - * @member {boolean} enabled - * If this `AudioTrack` is enabled or not. When setting this will - * fire {@link AudioTrack#enabledchange} if the state of enabled is changed. - * @instance - * - * @fires VideoTrack#selectedchange - */ - Object.defineProperty(this, 'enabled', { - get() { - return enabled; - }, - set(newEnabled) { - // an invalid or unchanged value - if (typeof newEnabled !== 'boolean' || newEnabled === enabled) { - return; - } - enabled = newEnabled; - - /** - * An event that fires when enabled changes on this track. This allows - * the AudioTrackList that holds this track to act accordingly. - * - * > Note: This is not part of the spec! Native tracks will do - * this internally without an event. - * - * @event AudioTrack#enabledchange - * @type {Event} - */ - this.trigger('enabledchange'); - } - }); - - // if the user sets this track to selected then - // set selected to that true value otherwise - // we keep it false - if (settings.enabled) { - this.enabled = settings.enabled; - } - this.loaded_ = true; - } - } - - /** - * A representation of a single `VideoTrack`. - * - * @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#videotrack} - * @extends Track - */ - class VideoTrack extends Track { - /** - * Create an instance of this class. - * - * @param {Object} [options={}] - * Object of option names and values - * - * @param {string} [options.kind=''] - * A valid {@link VideoTrack~Kind} - * - * @param {string} [options.id='vjs_track_' + Guid.newGUID()] - * A unique id for this AudioTrack. - * - * @param {string} [options.label=''] - * The menu label for this track. - * - * @param {string} [options.language=''] - * A valid two character language code. - * - * @param {boolean} [options.selected] - * If this track is the one that is currently playing. - */ - constructor(options = {}) { - const settings = merge(options, { - kind: VideoTrackKind[options.kind] || '' - }); - super(settings); - let selected = false; - - /** - * @memberof VideoTrack - * @member {boolean} selected - * If this `VideoTrack` is selected or not. When setting this will - * fire {@link VideoTrack#selectedchange} if the state of selected changed. - * @instance - * - * @fires VideoTrack#selectedchange - */ - Object.defineProperty(this, 'selected', { - get() { - return selected; - }, - set(newSelected) { - // an invalid or unchanged value - if (typeof newSelected !== 'boolean' || newSelected === selected) { - return; - } - selected = newSelected; - - /** - * An event that fires when selected changes on this track. This allows - * the VideoTrackList that holds this track to act accordingly. - * - * > Note: This is not part of the spec! Native tracks will do - * this internally without an event. - * - * @event VideoTrack#selectedchange - * @type {Event} - */ - this.trigger('selectedchange'); - } - }); - - // if the user sets this track to selected then - // set selected to that true value otherwise - // we keep it false - if (settings.selected) { - this.selected = settings.selected; - } - } - } - - /** - * @file html-track-element.js - */ - - /** - * A single track represented in the DOM. - * - * @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#htmltrackelement} - * @extends EventTarget - */ - class HTMLTrackElement extends EventTarget { - /** - * Create an instance of this class. - * - * @param {Object} options={} - * Object of option names and values - * - * @param { import('../tech/tech').default } options.tech - * A reference to the tech that owns this HTMLTrackElement. - * - * @param {TextTrack~Kind} [options.kind='subtitles'] - * A valid text track kind. - * - * @param {TextTrack~Mode} [options.mode='disabled'] - * A valid text track mode. - * - * @param {string} [options.id='vjs_track_' + Guid.newGUID()] - * A unique id for this TextTrack. - * - * @param {string} [options.label=''] - * The menu label for this track. - * - * @param {string} [options.language=''] - * A valid two character language code. - * - * @param {string} [options.srclang=''] - * A valid two character language code. An alternative, but deprioritized - * version of `options.language` - * - * @param {string} [options.src] - * A url to TextTrack cues. - * - * @param {boolean} [options.default] - * If this track should default to on or off. - */ - constructor(options = {}) { - super(); - let readyState; - const track = new TextTrack(options); - this.kind = track.kind; - this.src = track.src; - this.srclang = track.language; - this.label = track.label; - this.default = track.default; - Object.defineProperties(this, { - /** - * @memberof HTMLTrackElement - * @member {HTMLTrackElement~ReadyState} readyState - * The current ready state of the track element. - * @instance - */ - readyState: { - get() { - return readyState; - } - }, - /** - * @memberof HTMLTrackElement - * @member {TextTrack} track - * The underlying TextTrack object. - * @instance - * - */ - track: { - get() { - return track; - } - } - }); - readyState = HTMLTrackElement.NONE; - - /** - * @listens TextTrack#loadeddata - * @fires HTMLTrackElement#load - */ - track.addEventListener('loadeddata', () => { - readyState = HTMLTrackElement.LOADED; - this.trigger({ - type: 'load', - target: this - }); - }); - } - } - - /** - * @protected - */ - HTMLTrackElement.prototype.allowedEvents_ = { - load: 'load' - }; - - /** - * The text track not loaded state. - * - * @type {number} - * @static - */ - HTMLTrackElement.NONE = 0; - - /** - * The text track loading state. - * - * @type {number} - * @static - */ - HTMLTrackElement.LOADING = 1; - - /** - * The text track loaded state. - * - * @type {number} - * @static - */ - HTMLTrackElement.LOADED = 2; - - /** - * The text track failed to load state. - * - * @type {number} - * @static - */ - HTMLTrackElement.ERROR = 3; - - /* - * This file contains all track properties that are used in - * player.js, tech.js, html5.js and possibly other techs in the future. - */ - - const NORMAL = { - audio: { - ListClass: AudioTrackList, - TrackClass: AudioTrack, - capitalName: 'Audio' - }, - video: { - ListClass: VideoTrackList, - TrackClass: VideoTrack, - capitalName: 'Video' - }, - text: { - ListClass: TextTrackList, - TrackClass: TextTrack, - capitalName: 'Text' - } - }; - Object.keys(NORMAL).forEach(function (type) { - NORMAL[type].getterName = `${type}Tracks`; - NORMAL[type].privateName = `${type}Tracks_`; - }); - const REMOTE = { - remoteText: { - ListClass: TextTrackList, - TrackClass: TextTrack, - capitalName: 'RemoteText', - getterName: 'remoteTextTracks', - privateName: 'remoteTextTracks_' - }, - remoteTextEl: { - ListClass: HtmlTrackElementList, - TrackClass: HTMLTrackElement, - capitalName: 'RemoteTextTrackEls', - getterName: 'remoteTextTrackEls', - privateName: 'remoteTextTrackEls_' - } - }; - const ALL = Object.assign({}, NORMAL, REMOTE); - REMOTE.names = Object.keys(REMOTE); - NORMAL.names = Object.keys(NORMAL); - ALL.names = [].concat(REMOTE.names).concat(NORMAL.names); - - var minDoc = {}; - - var topLevel = typeof commonjsGlobal !== 'undefined' ? commonjsGlobal : typeof window !== 'undefined' ? window : {}; - var doccy; - if (typeof document !== 'undefined') { - doccy = document; - } else { - doccy = topLevel['__GLOBAL_DOCUMENT_CACHE@4']; - if (!doccy) { - doccy = topLevel['__GLOBAL_DOCUMENT_CACHE@4'] = minDoc; - } - } - var document_1 = doccy; - - /** - * Copyright 2013 vtt.js Contributors - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - - /* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ - /* vim: set shiftwidth=2 tabstop=2 autoindent cindent expandtab: */ - - var _objCreate = Object.create || function () { - function F() {} - return function (o) { - if (arguments.length !== 1) { - throw new Error('Object.create shim only accepts one parameter.'); - } - F.prototype = o; - return new F(); - }; - }(); - - // Creates a new ParserError object from an errorData object. The errorData - // object should have default code and message properties. The default message - // property can be overriden by passing in a message parameter. - // See ParsingError.Errors below for acceptable errors. - function ParsingError(errorData, message) { - this.name = "ParsingError"; - this.code = errorData.code; - this.message = message || errorData.message; - } - ParsingError.prototype = _objCreate(Error.prototype); - ParsingError.prototype.constructor = ParsingError; - - // ParsingError metadata for acceptable ParsingErrors. - ParsingError.Errors = { - BadSignature: { - code: 0, - message: "Malformed WebVTT signature." - }, - BadTimeStamp: { - code: 1, - message: "Malformed time stamp." - } - }; - - // Try to parse input as a time stamp. - function parseTimeStamp(input) { - function computeSeconds(h, m, s, f) { - return (h | 0) * 3600 + (m | 0) * 60 + (s | 0) + (f | 0) / 1000; - } - var m = input.match(/^(\d+):(\d{1,2})(:\d{1,2})?\.(\d{3})/); - if (!m) { - return null; - } - if (m[3]) { - // Timestamp takes the form of [hours]:[minutes]:[seconds].[milliseconds] - return computeSeconds(m[1], m[2], m[3].replace(":", ""), m[4]); - } else if (m[1] > 59) { - // Timestamp takes the form of [hours]:[minutes].[milliseconds] - // First position is hours as it's over 59. - return computeSeconds(m[1], m[2], 0, m[4]); - } else { - // Timestamp takes the form of [minutes]:[seconds].[milliseconds] - return computeSeconds(0, m[1], m[2], m[4]); - } - } - - // A settings object holds key/value pairs and will ignore anything but the first - // assignment to a specific key. - function Settings() { - this.values = _objCreate(null); - } - Settings.prototype = { - // Only accept the first assignment to any key. - set: function (k, v) { - if (!this.get(k) && v !== "") { - this.values[k] = v; - } - }, - // Return the value for a key, or a default value. - // If 'defaultKey' is passed then 'dflt' is assumed to be an object with - // a number of possible default values as properties where 'defaultKey' is - // the key of the property that will be chosen; otherwise it's assumed to be - // a single value. - get: function (k, dflt, defaultKey) { - if (defaultKey) { - return this.has(k) ? this.values[k] : dflt[defaultKey]; - } - return this.has(k) ? this.values[k] : dflt; - }, - // Check whether we have a value for a key. - has: function (k) { - return k in this.values; - }, - // Accept a setting if its one of the given alternatives. - alt: function (k, v, a) { - for (var n = 0; n < a.length; ++n) { - if (v === a[n]) { - this.set(k, v); - break; - } - } - }, - // Accept a setting if its a valid (signed) integer. - integer: function (k, v) { - if (/^-?\d+$/.test(v)) { - // integer - this.set(k, parseInt(v, 10)); - } - }, - // Accept a setting if its a valid percentage. - percent: function (k, v) { - if (v.match(/^([\d]{1,3})(\.[\d]*)?%$/)) { - v = parseFloat(v); - if (v >= 0 && v <= 100) { - this.set(k, v); - return true; - } - } - return false; - } - }; - - // Helper function to parse input into groups separated by 'groupDelim', and - // interprete each group as a key/value pair separated by 'keyValueDelim'. - function parseOptions(input, callback, keyValueDelim, groupDelim) { - var groups = groupDelim ? input.split(groupDelim) : [input]; - for (var i in groups) { - if (typeof groups[i] !== "string") { - continue; - } - var kv = groups[i].split(keyValueDelim); - if (kv.length !== 2) { - continue; - } - var k = kv[0].trim(); - var v = kv[1].trim(); - callback(k, v); - } - } - function parseCue(input, cue, regionList) { - // Remember the original input if we need to throw an error. - var oInput = input; - // 4.1 WebVTT timestamp - function consumeTimeStamp() { - var ts = parseTimeStamp(input); - if (ts === null) { - throw new ParsingError(ParsingError.Errors.BadTimeStamp, "Malformed timestamp: " + oInput); - } - // Remove time stamp from input. - input = input.replace(/^[^\sa-zA-Z-]+/, ""); - return ts; - } - - // 4.4.2 WebVTT cue settings - function consumeCueSettings(input, cue) { - var settings = new Settings(); - parseOptions(input, function (k, v) { - switch (k) { - case "region": - // Find the last region we parsed with the same region id. - for (var i = regionList.length - 1; i >= 0; i--) { - if (regionList[i].id === v) { - settings.set(k, regionList[i].region); - break; - } - } - break; - case "vertical": - settings.alt(k, v, ["rl", "lr"]); - break; - case "line": - var vals = v.split(","), - vals0 = vals[0]; - settings.integer(k, vals0); - settings.percent(k, vals0) ? settings.set("snapToLines", false) : null; - settings.alt(k, vals0, ["auto"]); - if (vals.length === 2) { - settings.alt("lineAlign", vals[1], ["start", "center", "end"]); - } - break; - case "position": - vals = v.split(","); - settings.percent(k, vals[0]); - if (vals.length === 2) { - settings.alt("positionAlign", vals[1], ["start", "center", "end"]); - } - break; - case "size": - settings.percent(k, v); - break; - case "align": - settings.alt(k, v, ["start", "center", "end", "left", "right"]); - break; - } - }, /:/, /\s/); - - // Apply default values for any missing fields. - cue.region = settings.get("region", null); - cue.vertical = settings.get("vertical", ""); - try { - cue.line = settings.get("line", "auto"); - } catch (e) {} - cue.lineAlign = settings.get("lineAlign", "start"); - cue.snapToLines = settings.get("snapToLines", true); - cue.size = settings.get("size", 100); - // Safari still uses the old middle value and won't accept center - try { - cue.align = settings.get("align", "center"); - } catch (e) { - cue.align = settings.get("align", "middle"); - } - try { - cue.position = settings.get("position", "auto"); - } catch (e) { - cue.position = settings.get("position", { - start: 0, - left: 0, - center: 50, - middle: 50, - end: 100, - right: 100 - }, cue.align); - } - cue.positionAlign = settings.get("positionAlign", { - start: "start", - left: "start", - center: "center", - middle: "center", - end: "end", - right: "end" - }, cue.align); - } - function skipWhitespace() { - input = input.replace(/^\s+/, ""); - } - - // 4.1 WebVTT cue timings. - skipWhitespace(); - cue.startTime = consumeTimeStamp(); // (1) collect cue start time - skipWhitespace(); - if (input.substr(0, 3) !== "-->") { - // (3) next characters must match "-->" - throw new ParsingError(ParsingError.Errors.BadTimeStamp, "Malformed time stamp (time stamps must be separated by '-->'): " + oInput); - } - input = input.substr(3); - skipWhitespace(); - cue.endTime = consumeTimeStamp(); // (5) collect cue end time - - // 4.1 WebVTT cue settings list. - skipWhitespace(); - consumeCueSettings(input, cue); - } - - // When evaluating this file as part of a Webpack bundle for server - // side rendering, `document` is an empty object. - var TEXTAREA_ELEMENT = document_1.createElement && document_1.createElement("textarea"); - var TAG_NAME = { - c: "span", - i: "i", - b: "b", - u: "u", - ruby: "ruby", - rt: "rt", - v: "span", - lang: "span" - }; - - // 5.1 default text color - // 5.2 default text background color is equivalent to text color with bg_ prefix - var DEFAULT_COLOR_CLASS = { - white: 'rgba(255,255,255,1)', - lime: 'rgba(0,255,0,1)', - cyan: 'rgba(0,255,255,1)', - red: 'rgba(255,0,0,1)', - yellow: 'rgba(255,255,0,1)', - magenta: 'rgba(255,0,255,1)', - blue: 'rgba(0,0,255,1)', - black: 'rgba(0,0,0,1)' - }; - var TAG_ANNOTATION = { - v: "title", - lang: "lang" - }; - var NEEDS_PARENT = { - rt: "ruby" - }; - - // Parse content into a document fragment. - function parseContent(window, input) { - function nextToken() { - // Check for end-of-string. - if (!input) { - return null; - } - - // Consume 'n' characters from the input. - function consume(result) { - input = input.substr(result.length); - return result; - } - var m = input.match(/^([^<]*)(<[^>]*>?)?/); - // If there is some text before the next tag, return it, otherwise return - // the tag. - return consume(m[1] ? m[1] : m[2]); - } - function unescape(s) { - TEXTAREA_ELEMENT.innerHTML = s; - s = TEXTAREA_ELEMENT.textContent; - TEXTAREA_ELEMENT.textContent = ""; - return s; - } - function shouldAdd(current, element) { - return !NEEDS_PARENT[element.localName] || NEEDS_PARENT[element.localName] === current.localName; - } - - // Create an element for this tag. - function createElement(type, annotation) { - var tagName = TAG_NAME[type]; - if (!tagName) { - return null; - } - var element = window.document.createElement(tagName); - var name = TAG_ANNOTATION[type]; - if (name && annotation) { - element[name] = annotation.trim(); - } - return element; - } - var rootDiv = window.document.createElement("div"), - current = rootDiv, - t, - tagStack = []; - while ((t = nextToken()) !== null) { - if (t[0] === '<') { - if (t[1] === "/") { - // If the closing tag matches, move back up to the parent node. - if (tagStack.length && tagStack[tagStack.length - 1] === t.substr(2).replace(">", "")) { - tagStack.pop(); - current = current.parentNode; - } - // Otherwise just ignore the end tag. - continue; - } - var ts = parseTimeStamp(t.substr(1, t.length - 2)); - var node; - if (ts) { - // Timestamps are lead nodes as well. - node = window.document.createProcessingInstruction("timestamp", ts); - current.appendChild(node); - continue; - } - var m = t.match(/^<([^.\s/0-9>]+)(\.[^\s\\>]+)?([^>\\]+)?(\\?)>?$/); - // If we can't parse the tag, skip to the next tag. - if (!m) { - continue; - } - // Try to construct an element, and ignore the tag if we couldn't. - node = createElement(m[1], m[3]); - if (!node) { - continue; - } - // Determine if the tag should be added based on the context of where it - // is placed in the cuetext. - if (!shouldAdd(current, node)) { - continue; - } - // Set the class list (as a list of classes, separated by space). - if (m[2]) { - var classes = m[2].split('.'); - classes.forEach(function (cl) { - var bgColor = /^bg_/.test(cl); - // slice out `bg_` if it's a background color - var colorName = bgColor ? cl.slice(3) : cl; - if (DEFAULT_COLOR_CLASS.hasOwnProperty(colorName)) { - var propName = bgColor ? 'background-color' : 'color'; - var propValue = DEFAULT_COLOR_CLASS[colorName]; - node.style[propName] = propValue; - } - }); - node.className = classes.join(' '); - } - // Append the node to the current node, and enter the scope of the new - // node. - tagStack.push(m[1]); - current.appendChild(node); - current = node; - continue; - } - - // Text nodes are leaf nodes. - current.appendChild(window.document.createTextNode(unescape(t))); - } - return rootDiv; - } - - // This is a list of all the Unicode characters that have a strong - // right-to-left category. What this means is that these characters are - // written right-to-left for sure. It was generated by pulling all the strong - // right-to-left characters out of the Unicode data table. That table can - // found at: http://www.unicode.org/Public/UNIDATA/UnicodeData.txt - var strongRTLRanges = [[0x5be, 0x5be], [0x5c0, 0x5c0], [0x5c3, 0x5c3], [0x5c6, 0x5c6], [0x5d0, 0x5ea], [0x5f0, 0x5f4], [0x608, 0x608], [0x60b, 0x60b], [0x60d, 0x60d], [0x61b, 0x61b], [0x61e, 0x64a], [0x66d, 0x66f], [0x671, 0x6d5], [0x6e5, 0x6e6], [0x6ee, 0x6ef], [0x6fa, 0x70d], [0x70f, 0x710], [0x712, 0x72f], [0x74d, 0x7a5], [0x7b1, 0x7b1], [0x7c0, 0x7ea], [0x7f4, 0x7f5], [0x7fa, 0x7fa], [0x800, 0x815], [0x81a, 0x81a], [0x824, 0x824], [0x828, 0x828], [0x830, 0x83e], [0x840, 0x858], [0x85e, 0x85e], [0x8a0, 0x8a0], [0x8a2, 0x8ac], [0x200f, 0x200f], [0xfb1d, 0xfb1d], [0xfb1f, 0xfb28], [0xfb2a, 0xfb36], [0xfb38, 0xfb3c], [0xfb3e, 0xfb3e], [0xfb40, 0xfb41], [0xfb43, 0xfb44], [0xfb46, 0xfbc1], [0xfbd3, 0xfd3d], [0xfd50, 0xfd8f], [0xfd92, 0xfdc7], [0xfdf0, 0xfdfc], [0xfe70, 0xfe74], [0xfe76, 0xfefc], [0x10800, 0x10805], [0x10808, 0x10808], [0x1080a, 0x10835], [0x10837, 0x10838], [0x1083c, 0x1083c], [0x1083f, 0x10855], [0x10857, 0x1085f], [0x10900, 0x1091b], [0x10920, 0x10939], [0x1093f, 0x1093f], [0x10980, 0x109b7], [0x109be, 0x109bf], [0x10a00, 0x10a00], [0x10a10, 0x10a13], [0x10a15, 0x10a17], [0x10a19, 0x10a33], [0x10a40, 0x10a47], [0x10a50, 0x10a58], [0x10a60, 0x10a7f], [0x10b00, 0x10b35], [0x10b40, 0x10b55], [0x10b58, 0x10b72], [0x10b78, 0x10b7f], [0x10c00, 0x10c48], [0x1ee00, 0x1ee03], [0x1ee05, 0x1ee1f], [0x1ee21, 0x1ee22], [0x1ee24, 0x1ee24], [0x1ee27, 0x1ee27], [0x1ee29, 0x1ee32], [0x1ee34, 0x1ee37], [0x1ee39, 0x1ee39], [0x1ee3b, 0x1ee3b], [0x1ee42, 0x1ee42], [0x1ee47, 0x1ee47], [0x1ee49, 0x1ee49], [0x1ee4b, 0x1ee4b], [0x1ee4d, 0x1ee4f], [0x1ee51, 0x1ee52], [0x1ee54, 0x1ee54], [0x1ee57, 0x1ee57], [0x1ee59, 0x1ee59], [0x1ee5b, 0x1ee5b], [0x1ee5d, 0x1ee5d], [0x1ee5f, 0x1ee5f], [0x1ee61, 0x1ee62], [0x1ee64, 0x1ee64], [0x1ee67, 0x1ee6a], [0x1ee6c, 0x1ee72], [0x1ee74, 0x1ee77], [0x1ee79, 0x1ee7c], [0x1ee7e, 0x1ee7e], [0x1ee80, 0x1ee89], [0x1ee8b, 0x1ee9b], [0x1eea1, 0x1eea3], [0x1eea5, 0x1eea9], [0x1eeab, 0x1eebb], [0x10fffd, 0x10fffd]]; - function isStrongRTLChar(charCode) { - for (var i = 0; i < strongRTLRanges.length; i++) { - var currentRange = strongRTLRanges[i]; - if (charCode >= currentRange[0] && charCode <= currentRange[1]) { - return true; - } - } - return false; - } - function determineBidi(cueDiv) { - var nodeStack = [], - text = "", - charCode; - if (!cueDiv || !cueDiv.childNodes) { - return "ltr"; - } - function pushNodes(nodeStack, node) { - for (var i = node.childNodes.length - 1; i >= 0; i--) { - nodeStack.push(node.childNodes[i]); - } - } - function nextTextNode(nodeStack) { - if (!nodeStack || !nodeStack.length) { - return null; - } - var node = nodeStack.pop(), - text = node.textContent || node.innerText; - if (text) { - // TODO: This should match all unicode type B characters (paragraph - // separator characters). See issue #115. - var m = text.match(/^.*(\n|\r)/); - if (m) { - nodeStack.length = 0; - return m[0]; - } - return text; - } - if (node.tagName === "ruby") { - return nextTextNode(nodeStack); - } - if (node.childNodes) { - pushNodes(nodeStack, node); - return nextTextNode(nodeStack); - } - } - pushNodes(nodeStack, cueDiv); - while (text = nextTextNode(nodeStack)) { - for (var i = 0; i < text.length; i++) { - charCode = text.charCodeAt(i); - if (isStrongRTLChar(charCode)) { - return "rtl"; - } - } - } - return "ltr"; - } - function computeLinePos(cue) { - if (typeof cue.line === "number" && (cue.snapToLines || cue.line >= 0 && cue.line <= 100)) { - return cue.line; - } - if (!cue.track || !cue.track.textTrackList || !cue.track.textTrackList.mediaElement) { - return -1; - } - var track = cue.track, - trackList = track.textTrackList, - count = 0; - for (var i = 0; i < trackList.length && trackList[i] !== track; i++) { - if (trackList[i].mode === "showing") { - count++; - } - } - return ++count * -1; - } - function StyleBox() {} - - // Apply styles to a div. If there is no div passed then it defaults to the - // div on 'this'. - StyleBox.prototype.applyStyles = function (styles, div) { - div = div || this.div; - for (var prop in styles) { - if (styles.hasOwnProperty(prop)) { - div.style[prop] = styles[prop]; - } - } - }; - StyleBox.prototype.formatStyle = function (val, unit) { - return val === 0 ? 0 : val + unit; - }; - - // Constructs the computed display state of the cue (a div). Places the div - // into the overlay which should be a block level element (usually a div). - function CueStyleBox(window, cue, styleOptions) { - StyleBox.call(this); - this.cue = cue; - - // Parse our cue's text into a DOM tree rooted at 'cueDiv'. This div will - // have inline positioning and will function as the cue background box. - this.cueDiv = parseContent(window, cue.text); - var styles = { - color: "rgba(255, 255, 255, 1)", - backgroundColor: "rgba(0, 0, 0, 0.8)", - position: "relative", - left: 0, - right: 0, - top: 0, - bottom: 0, - display: "inline", - writingMode: cue.vertical === "" ? "horizontal-tb" : cue.vertical === "lr" ? "vertical-lr" : "vertical-rl", - unicodeBidi: "plaintext" - }; - this.applyStyles(styles, this.cueDiv); - - // Create an absolutely positioned div that will be used to position the cue - // div. Note, all WebVTT cue-setting alignments are equivalent to the CSS - // mirrors of them except middle instead of center on Safari. - this.div = window.document.createElement("div"); - styles = { - direction: determineBidi(this.cueDiv), - writingMode: cue.vertical === "" ? "horizontal-tb" : cue.vertical === "lr" ? "vertical-lr" : "vertical-rl", - unicodeBidi: "plaintext", - textAlign: cue.align === "middle" ? "center" : cue.align, - font: styleOptions.font, - whiteSpace: "pre-line", - position: "absolute" - }; - this.applyStyles(styles); - this.div.appendChild(this.cueDiv); - - // Calculate the distance from the reference edge of the viewport to the text - // position of the cue box. The reference edge will be resolved later when - // the box orientation styles are applied. - var textPos = 0; - switch (cue.positionAlign) { - case "start": - case "line-left": - textPos = cue.position; - break; - case "center": - textPos = cue.position - cue.size / 2; - break; - case "end": - case "line-right": - textPos = cue.position - cue.size; - break; - } - - // Horizontal box orientation; textPos is the distance from the left edge of the - // area to the left edge of the box and cue.size is the distance extending to - // the right from there. - if (cue.vertical === "") { - this.applyStyles({ - left: this.formatStyle(textPos, "%"), - width: this.formatStyle(cue.size, "%") - }); - // Vertical box orientation; textPos is the distance from the top edge of the - // area to the top edge of the box and cue.size is the height extending - // downwards from there. - } else { - this.applyStyles({ - top: this.formatStyle(textPos, "%"), - height: this.formatStyle(cue.size, "%") - }); - } - this.move = function (box) { - this.applyStyles({ - top: this.formatStyle(box.top, "px"), - bottom: this.formatStyle(box.bottom, "px"), - left: this.formatStyle(box.left, "px"), - right: this.formatStyle(box.right, "px"), - height: this.formatStyle(box.height, "px"), - width: this.formatStyle(box.width, "px") - }); - }; - } - CueStyleBox.prototype = _objCreate(StyleBox.prototype); - CueStyleBox.prototype.constructor = CueStyleBox; - - // Represents the co-ordinates of an Element in a way that we can easily - // compute things with such as if it overlaps or intersects with another Element. - // Can initialize it with either a StyleBox or another BoxPosition. - function BoxPosition(obj) { - // Either a BoxPosition was passed in and we need to copy it, or a StyleBox - // was passed in and we need to copy the results of 'getBoundingClientRect' - // as the object returned is readonly. All co-ordinate values are in reference - // to the viewport origin (top left). - var lh, height, width, top; - if (obj.div) { - height = obj.div.offsetHeight; - width = obj.div.offsetWidth; - top = obj.div.offsetTop; - var rects = (rects = obj.div.childNodes) && (rects = rects[0]) && rects.getClientRects && rects.getClientRects(); - obj = obj.div.getBoundingClientRect(); - // In certain cases the outter div will be slightly larger then the sum of - // the inner div's lines. This could be due to bold text, etc, on some platforms. - // In this case we should get the average line height and use that. This will - // result in the desired behaviour. - lh = rects ? Math.max(rects[0] && rects[0].height || 0, obj.height / rects.length) : 0; - } - this.left = obj.left; - this.right = obj.right; - this.top = obj.top || top; - this.height = obj.height || height; - this.bottom = obj.bottom || top + (obj.height || height); - this.width = obj.width || width; - this.lineHeight = lh !== undefined ? lh : obj.lineHeight; - } - - // Move the box along a particular axis. Optionally pass in an amount to move - // the box. If no amount is passed then the default is the line height of the - // box. - BoxPosition.prototype.move = function (axis, toMove) { - toMove = toMove !== undefined ? toMove : this.lineHeight; - switch (axis) { - case "+x": - this.left += toMove; - this.right += toMove; - break; - case "-x": - this.left -= toMove; - this.right -= toMove; - break; - case "+y": - this.top += toMove; - this.bottom += toMove; - break; - case "-y": - this.top -= toMove; - this.bottom -= toMove; - break; - } - }; - - // Check if this box overlaps another box, b2. - BoxPosition.prototype.overlaps = function (b2) { - return this.left < b2.right && this.right > b2.left && this.top < b2.bottom && this.bottom > b2.top; - }; - - // Check if this box overlaps any other boxes in boxes. - BoxPosition.prototype.overlapsAny = function (boxes) { - for (var i = 0; i < boxes.length; i++) { - if (this.overlaps(boxes[i])) { - return true; - } - } - return false; - }; - - // Check if this box is within another box. - BoxPosition.prototype.within = function (container) { - return this.top >= container.top && this.bottom <= container.bottom && this.left >= container.left && this.right <= container.right; - }; - - // Check if this box is entirely within the container or it is overlapping - // on the edge opposite of the axis direction passed. For example, if "+x" is - // passed and the box is overlapping on the left edge of the container, then - // return true. - BoxPosition.prototype.overlapsOppositeAxis = function (container, axis) { - switch (axis) { - case "+x": - return this.left < container.left; - case "-x": - return this.right > container.right; - case "+y": - return this.top < container.top; - case "-y": - return this.bottom > container.bottom; - } - }; - - // Find the percentage of the area that this box is overlapping with another - // box. - BoxPosition.prototype.intersectPercentage = function (b2) { - var x = Math.max(0, Math.min(this.right, b2.right) - Math.max(this.left, b2.left)), - y = Math.max(0, Math.min(this.bottom, b2.bottom) - Math.max(this.top, b2.top)), - intersectArea = x * y; - return intersectArea / (this.height * this.width); - }; - - // Convert the positions from this box to CSS compatible positions using - // the reference container's positions. This has to be done because this - // box's positions are in reference to the viewport origin, whereas, CSS - // values are in referecne to their respective edges. - BoxPosition.prototype.toCSSCompatValues = function (reference) { - return { - top: this.top - reference.top, - bottom: reference.bottom - this.bottom, - left: this.left - reference.left, - right: reference.right - this.right, - height: this.height, - width: this.width - }; - }; - - // Get an object that represents the box's position without anything extra. - // Can pass a StyleBox, HTMLElement, or another BoxPositon. - BoxPosition.getSimpleBoxPosition = function (obj) { - var height = obj.div ? obj.div.offsetHeight : obj.tagName ? obj.offsetHeight : 0; - var width = obj.div ? obj.div.offsetWidth : obj.tagName ? obj.offsetWidth : 0; - var top = obj.div ? obj.div.offsetTop : obj.tagName ? obj.offsetTop : 0; - obj = obj.div ? obj.div.getBoundingClientRect() : obj.tagName ? obj.getBoundingClientRect() : obj; - var ret = { - left: obj.left, - right: obj.right, - top: obj.top || top, - height: obj.height || height, - bottom: obj.bottom || top + (obj.height || height), - width: obj.width || width - }; - return ret; - }; - - // Move a StyleBox to its specified, or next best, position. The containerBox - // is the box that contains the StyleBox, such as a div. boxPositions are - // a list of other boxes that the styleBox can't overlap with. - function moveBoxToLinePosition(window, styleBox, containerBox, boxPositions) { - // Find the best position for a cue box, b, on the video. The axis parameter - // is a list of axis, the order of which, it will move the box along. For example: - // Passing ["+x", "-x"] will move the box first along the x axis in the positive - // direction. If it doesn't find a good position for it there it will then move - // it along the x axis in the negative direction. - function findBestPosition(b, axis) { - var bestPosition, - specifiedPosition = new BoxPosition(b), - percentage = 1; // Highest possible so the first thing we get is better. - - for (var i = 0; i < axis.length; i++) { - while (b.overlapsOppositeAxis(containerBox, axis[i]) || b.within(containerBox) && b.overlapsAny(boxPositions)) { - b.move(axis[i]); - } - // We found a spot where we aren't overlapping anything. This is our - // best position. - if (b.within(containerBox)) { - return b; - } - var p = b.intersectPercentage(containerBox); - // If we're outside the container box less then we were on our last try - // then remember this position as the best position. - if (percentage > p) { - bestPosition = new BoxPosition(b); - percentage = p; - } - // Reset the box position to the specified position. - b = new BoxPosition(specifiedPosition); - } - return bestPosition || specifiedPosition; - } - var boxPosition = new BoxPosition(styleBox), - cue = styleBox.cue, - linePos = computeLinePos(cue), - axis = []; - - // If we have a line number to align the cue to. - if (cue.snapToLines) { - var size; - switch (cue.vertical) { - case "": - axis = ["+y", "-y"]; - size = "height"; - break; - case "rl": - axis = ["+x", "-x"]; - size = "width"; - break; - case "lr": - axis = ["-x", "+x"]; - size = "width"; - break; - } - var step = boxPosition.lineHeight, - position = step * Math.round(linePos), - maxPosition = containerBox[size] + step, - initialAxis = axis[0]; - - // If the specified intial position is greater then the max position then - // clamp the box to the amount of steps it would take for the box to - // reach the max position. - if (Math.abs(position) > maxPosition) { - position = position < 0 ? -1 : 1; - position *= Math.ceil(maxPosition / step) * step; - } - - // If computed line position returns negative then line numbers are - // relative to the bottom of the video instead of the top. Therefore, we - // need to increase our initial position by the length or width of the - // video, depending on the writing direction, and reverse our axis directions. - if (linePos < 0) { - position += cue.vertical === "" ? containerBox.height : containerBox.width; - axis = axis.reverse(); - } - - // Move the box to the specified position. This may not be its best - // position. - boxPosition.move(initialAxis, position); - } else { - // If we have a percentage line value for the cue. - var calculatedPercentage = boxPosition.lineHeight / containerBox.height * 100; - switch (cue.lineAlign) { - case "center": - linePos -= calculatedPercentage / 2; - break; - case "end": - linePos -= calculatedPercentage; - break; - } - - // Apply initial line position to the cue box. - switch (cue.vertical) { - case "": - styleBox.applyStyles({ - top: styleBox.formatStyle(linePos, "%") - }); - break; - case "rl": - styleBox.applyStyles({ - left: styleBox.formatStyle(linePos, "%") - }); - break; - case "lr": - styleBox.applyStyles({ - right: styleBox.formatStyle(linePos, "%") - }); - break; - } - axis = ["+y", "-x", "+x", "-y"]; - - // Get the box position again after we've applied the specified positioning - // to it. - boxPosition = new BoxPosition(styleBox); - } - var bestPosition = findBestPosition(boxPosition, axis); - styleBox.move(bestPosition.toCSSCompatValues(containerBox)); - } - function WebVTT$1() { - // Nothing - } - - // Helper to allow strings to be decoded instead of the default binary utf8 data. - WebVTT$1.StringDecoder = function () { - return { - decode: function (data) { - if (!data) { - return ""; - } - if (typeof data !== "string") { - throw new Error("Error - expected string data."); - } - return decodeURIComponent(encodeURIComponent(data)); - } - }; - }; - WebVTT$1.convertCueToDOMTree = function (window, cuetext) { - if (!window || !cuetext) { - return null; - } - return parseContent(window, cuetext); - }; - var FONT_SIZE_PERCENT = 0.05; - var FONT_STYLE = "sans-serif"; - var CUE_BACKGROUND_PADDING = "1.5%"; - - // Runs the processing model over the cues and regions passed to it. - // @param overlay A block level element (usually a div) that the computed cues - // and regions will be placed into. - WebVTT$1.processCues = function (window, cues, overlay) { - if (!window || !cues || !overlay) { - return null; - } - - // Remove all previous children. - while (overlay.firstChild) { - overlay.removeChild(overlay.firstChild); - } - var paddedOverlay = window.document.createElement("div"); - paddedOverlay.style.position = "absolute"; - paddedOverlay.style.left = "0"; - paddedOverlay.style.right = "0"; - paddedOverlay.style.top = "0"; - paddedOverlay.style.bottom = "0"; - paddedOverlay.style.margin = CUE_BACKGROUND_PADDING; - overlay.appendChild(paddedOverlay); - - // Determine if we need to compute the display states of the cues. This could - // be the case if a cue's state has been changed since the last computation or - // if it has not been computed yet. - function shouldCompute(cues) { - for (var i = 0; i < cues.length; i++) { - if (cues[i].hasBeenReset || !cues[i].displayState) { - return true; - } - } - return false; - } - - // We don't need to recompute the cues' display states. Just reuse them. - if (!shouldCompute(cues)) { - for (var i = 0; i < cues.length; i++) { - paddedOverlay.appendChild(cues[i].displayState); - } - return; - } - var boxPositions = [], - containerBox = BoxPosition.getSimpleBoxPosition(paddedOverlay), - fontSize = Math.round(containerBox.height * FONT_SIZE_PERCENT * 100) / 100; - var styleOptions = { - font: fontSize + "px " + FONT_STYLE - }; - (function () { - var styleBox, cue; - for (var i = 0; i < cues.length; i++) { - cue = cues[i]; - - // Compute the intial position and styles of the cue div. - styleBox = new CueStyleBox(window, cue, styleOptions); - paddedOverlay.appendChild(styleBox.div); - - // Move the cue div to it's correct line position. - moveBoxToLinePosition(window, styleBox, containerBox, boxPositions); - - // Remember the computed div so that we don't have to recompute it later - // if we don't have too. - cue.displayState = styleBox.div; - boxPositions.push(BoxPosition.getSimpleBoxPosition(styleBox)); - } - })(); - }; - WebVTT$1.Parser = function (window, vttjs, decoder) { - if (!decoder) { - decoder = vttjs; - vttjs = {}; - } - if (!vttjs) { - vttjs = {}; - } - this.window = window; - this.vttjs = vttjs; - this.state = "INITIAL"; - this.buffer = ""; - this.decoder = decoder || new TextDecoder("utf8"); - this.regionList = []; - }; - WebVTT$1.Parser.prototype = { - // If the error is a ParsingError then report it to the consumer if - // possible. If it's not a ParsingError then throw it like normal. - reportOrThrowError: function (e) { - if (e instanceof ParsingError) { - this.onparsingerror && this.onparsingerror(e); - } else { - throw e; - } - }, - parse: function (data) { - var self = this; - - // If there is no data then we won't decode it, but will just try to parse - // whatever is in buffer already. This may occur in circumstances, for - // example when flush() is called. - if (data) { - // Try to decode the data that we received. - self.buffer += self.decoder.decode(data, { - stream: true - }); - } - function collectNextLine() { - var buffer = self.buffer; - var pos = 0; - while (pos < buffer.length && buffer[pos] !== '\r' && buffer[pos] !== '\n') { - ++pos; - } - var line = buffer.substr(0, pos); - // Advance the buffer early in case we fail below. - if (buffer[pos] === '\r') { - ++pos; - } - if (buffer[pos] === '\n') { - ++pos; - } - self.buffer = buffer.substr(pos); - return line; - } - - // 3.4 WebVTT region and WebVTT region settings syntax - function parseRegion(input) { - var settings = new Settings(); - parseOptions(input, function (k, v) { - switch (k) { - case "id": - settings.set(k, v); - break; - case "width": - settings.percent(k, v); - break; - case "lines": - settings.integer(k, v); - break; - case "regionanchor": - case "viewportanchor": - var xy = v.split(','); - if (xy.length !== 2) { - break; - } - // We have to make sure both x and y parse, so use a temporary - // settings object here. - var anchor = new Settings(); - anchor.percent("x", xy[0]); - anchor.percent("y", xy[1]); - if (!anchor.has("x") || !anchor.has("y")) { - break; - } - settings.set(k + "X", anchor.get("x")); - settings.set(k + "Y", anchor.get("y")); - break; - case "scroll": - settings.alt(k, v, ["up"]); - break; - } - }, /=/, /\s/); - - // Create the region, using default values for any values that were not - // specified. - if (settings.has("id")) { - var region = new (self.vttjs.VTTRegion || self.window.VTTRegion)(); - region.width = settings.get("width", 100); - region.lines = settings.get("lines", 3); - region.regionAnchorX = settings.get("regionanchorX", 0); - region.regionAnchorY = settings.get("regionanchorY", 100); - region.viewportAnchorX = settings.get("viewportanchorX", 0); - region.viewportAnchorY = settings.get("viewportanchorY", 100); - region.scroll = settings.get("scroll", ""); - // Register the region. - self.onregion && self.onregion(region); - // Remember the VTTRegion for later in case we parse any VTTCues that - // reference it. - self.regionList.push({ - id: settings.get("id"), - region: region - }); - } - } - - // draft-pantos-http-live-streaming-20 - // https://tools.ietf.org/html/draft-pantos-http-live-streaming-20#section-3.5 - // 3.5 WebVTT - function parseTimestampMap(input) { - var settings = new Settings(); - parseOptions(input, function (k, v) { - switch (k) { - case "MPEGT": - settings.integer(k + 'S', v); - break; - case "LOCA": - settings.set(k + 'L', parseTimeStamp(v)); - break; - } - }, /[^\d]:/, /,/); - self.ontimestampmap && self.ontimestampmap({ - "MPEGTS": settings.get("MPEGTS"), - "LOCAL": settings.get("LOCAL") - }); - } - - // 3.2 WebVTT metadata header syntax - function parseHeader(input) { - if (input.match(/X-TIMESTAMP-MAP/)) { - // This line contains HLS X-TIMESTAMP-MAP metadata - parseOptions(input, function (k, v) { - switch (k) { - case "X-TIMESTAMP-MAP": - parseTimestampMap(v); - break; - } - }, /=/); - } else { - parseOptions(input, function (k, v) { - switch (k) { - case "Region": - // 3.3 WebVTT region metadata header syntax - parseRegion(v); - break; - } - }, /:/); - } - } - - // 5.1 WebVTT file parsing. - try { - var line; - if (self.state === "INITIAL") { - // We can't start parsing until we have the first line. - if (!/\r\n|\n/.test(self.buffer)) { - return this; - } - line = collectNextLine(); - var m = line.match(/^WEBVTT([ \t].*)?$/); - if (!m || !m[0]) { - throw new ParsingError(ParsingError.Errors.BadSignature); - } - self.state = "HEADER"; - } - var alreadyCollectedLine = false; - while (self.buffer) { - // We can't parse a line until we have the full line. - if (!/\r\n|\n/.test(self.buffer)) { - return this; - } - if (!alreadyCollectedLine) { - line = collectNextLine(); - } else { - alreadyCollectedLine = false; - } - switch (self.state) { - case "HEADER": - // 13-18 - Allow a header (metadata) under the WEBVTT line. - if (/:/.test(line)) { - parseHeader(line); - } else if (!line) { - // An empty line terminates the header and starts the body (cues). - self.state = "ID"; - } - continue; - case "NOTE": - // Ignore NOTE blocks. - if (!line) { - self.state = "ID"; - } - continue; - case "ID": - // Check for the start of NOTE blocks. - if (/^NOTE($|[ \t])/.test(line)) { - self.state = "NOTE"; - break; - } - // 19-29 - Allow any number of line terminators, then initialize new cue values. - if (!line) { - continue; - } - self.cue = new (self.vttjs.VTTCue || self.window.VTTCue)(0, 0, ""); - // Safari still uses the old middle value and won't accept center - try { - self.cue.align = "center"; - } catch (e) { - self.cue.align = "middle"; - } - self.state = "CUE"; - // 30-39 - Check if self line contains an optional identifier or timing data. - if (line.indexOf("-->") === -1) { - self.cue.id = line; - continue; - } - // Process line as start of a cue. - /*falls through*/ - case "CUE": - // 40 - Collect cue timings and settings. - try { - parseCue(line, self.cue, self.regionList); - } catch (e) { - self.reportOrThrowError(e); - // In case of an error ignore rest of the cue. - self.cue = null; - self.state = "BADCUE"; - continue; - } - self.state = "CUETEXT"; - continue; - case "CUETEXT": - var hasSubstring = line.indexOf("-->") !== -1; - // 34 - If we have an empty line then report the cue. - // 35 - If we have the special substring '-->' then report the cue, - // but do not collect the line as we need to process the current - // one as a new cue. - if (!line || hasSubstring && (alreadyCollectedLine = true)) { - // We are done parsing self cue. - self.oncue && self.oncue(self.cue); - self.cue = null; - self.state = "ID"; - continue; - } - if (self.cue.text) { - self.cue.text += "\n"; - } - self.cue.text += line.replace(/\u2028/g, '\n').replace(/u2029/g, '\n'); - continue; - case "BADCUE": - // BADCUE - // 54-62 - Collect and discard the remaining cue. - if (!line) { - self.state = "ID"; - } - continue; - } - } - } catch (e) { - self.reportOrThrowError(e); - - // If we are currently parsing a cue, report what we have. - if (self.state === "CUETEXT" && self.cue && self.oncue) { - self.oncue(self.cue); - } - self.cue = null; - // Enter BADWEBVTT state if header was not parsed correctly otherwise - // another exception occurred so enter BADCUE state. - self.state = self.state === "INITIAL" ? "BADWEBVTT" : "BADCUE"; - } - return this; - }, - flush: function () { - var self = this; - try { - // Finish decoding the stream. - self.buffer += self.decoder.decode(); - // Synthesize the end of the current cue or region. - if (self.cue || self.state === "HEADER") { - self.buffer += "\n\n"; - self.parse(); - } - // If we've flushed, parsed, and we're still on the INITIAL state then - // that means we don't have enough of the stream to parse the first - // line. - if (self.state === "INITIAL") { - throw new ParsingError(ParsingError.Errors.BadSignature); - } - } catch (e) { - self.reportOrThrowError(e); - } - self.onflush && self.onflush(); - return this; - } - }; - var vtt = WebVTT$1; - - /** - * Copyright 2013 vtt.js Contributors - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - - var autoKeyword = "auto"; - var directionSetting = { - "": 1, - "lr": 1, - "rl": 1 - }; - var alignSetting = { - "start": 1, - "center": 1, - "end": 1, - "left": 1, - "right": 1, - "auto": 1, - "line-left": 1, - "line-right": 1 - }; - function findDirectionSetting(value) { - if (typeof value !== "string") { - return false; - } - var dir = directionSetting[value.toLowerCase()]; - return dir ? value.toLowerCase() : false; - } - function findAlignSetting(value) { - if (typeof value !== "string") { - return false; - } - var align = alignSetting[value.toLowerCase()]; - return align ? value.toLowerCase() : false; - } - function VTTCue(startTime, endTime, text) { - /** - * Shim implementation specific properties. These properties are not in - * the spec. - */ - - // Lets us know when the VTTCue's data has changed in such a way that we need - // to recompute its display state. This lets us compute its display state - // lazily. - this.hasBeenReset = false; - - /** - * VTTCue and TextTrackCue properties - * http://dev.w3.org/html5/webvtt/#vttcue-interface - */ - - var _id = ""; - var _pauseOnExit = false; - var _startTime = startTime; - var _endTime = endTime; - var _text = text; - var _region = null; - var _vertical = ""; - var _snapToLines = true; - var _line = "auto"; - var _lineAlign = "start"; - var _position = "auto"; - var _positionAlign = "auto"; - var _size = 100; - var _align = "center"; - Object.defineProperties(this, { - "id": { - enumerable: true, - get: function () { - return _id; - }, - set: function (value) { - _id = "" + value; - } - }, - "pauseOnExit": { - enumerable: true, - get: function () { - return _pauseOnExit; - }, - set: function (value) { - _pauseOnExit = !!value; - } - }, - "startTime": { - enumerable: true, - get: function () { - return _startTime; - }, - set: function (value) { - if (typeof value !== "number") { - throw new TypeError("Start time must be set to a number."); - } - _startTime = value; - this.hasBeenReset = true; - } - }, - "endTime": { - enumerable: true, - get: function () { - return _endTime; - }, - set: function (value) { - if (typeof value !== "number") { - throw new TypeError("End time must be set to a number."); - } - _endTime = value; - this.hasBeenReset = true; - } - }, - "text": { - enumerable: true, - get: function () { - return _text; - }, - set: function (value) { - _text = "" + value; - this.hasBeenReset = true; - } - }, - "region": { - enumerable: true, - get: function () { - return _region; - }, - set: function (value) { - _region = value; - this.hasBeenReset = true; - } - }, - "vertical": { - enumerable: true, - get: function () { - return _vertical; - }, - set: function (value) { - var setting = findDirectionSetting(value); - // Have to check for false because the setting an be an empty string. - if (setting === false) { - throw new SyntaxError("Vertical: an invalid or illegal direction string was specified."); - } - _vertical = setting; - this.hasBeenReset = true; - } - }, - "snapToLines": { - enumerable: true, - get: function () { - return _snapToLines; - }, - set: function (value) { - _snapToLines = !!value; - this.hasBeenReset = true; - } - }, - "line": { - enumerable: true, - get: function () { - return _line; - }, - set: function (value) { - if (typeof value !== "number" && value !== autoKeyword) { - throw new SyntaxError("Line: an invalid number or illegal string was specified."); - } - _line = value; - this.hasBeenReset = true; - } - }, - "lineAlign": { - enumerable: true, - get: function () { - return _lineAlign; - }, - set: function (value) { - var setting = findAlignSetting(value); - if (!setting) { - console.warn("lineAlign: an invalid or illegal string was specified."); - } else { - _lineAlign = setting; - this.hasBeenReset = true; - } - } - }, - "position": { - enumerable: true, - get: function () { - return _position; - }, - set: function (value) { - if (value < 0 || value > 100) { - throw new Error("Position must be between 0 and 100."); - } - _position = value; - this.hasBeenReset = true; - } - }, - "positionAlign": { - enumerable: true, - get: function () { - return _positionAlign; - }, - set: function (value) { - var setting = findAlignSetting(value); - if (!setting) { - console.warn("positionAlign: an invalid or illegal string was specified."); - } else { - _positionAlign = setting; - this.hasBeenReset = true; - } - } - }, - "size": { - enumerable: true, - get: function () { - return _size; - }, - set: function (value) { - if (value < 0 || value > 100) { - throw new Error("Size must be between 0 and 100."); - } - _size = value; - this.hasBeenReset = true; - } - }, - "align": { - enumerable: true, - get: function () { - return _align; - }, - set: function (value) { - var setting = findAlignSetting(value); - if (!setting) { - throw new SyntaxError("align: an invalid or illegal alignment string was specified."); - } - _align = setting; - this.hasBeenReset = true; - } - } - }); - - /** - * Other spec defined properties - */ - - // http://www.whatwg.org/specs/web-apps/current-work/multipage/the-video-element.html#text-track-cue-display-state - this.displayState = undefined; - } - - /** - * VTTCue methods - */ - - VTTCue.prototype.getCueAsHTML = function () { - // Assume WebVTT.convertCueToDOMTree is on the global. - return WebVTT.convertCueToDOMTree(window, this.text); - }; - var vttcue = VTTCue; - - /** - * Copyright 2013 vtt.js Contributors - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - - var scrollSetting = { - "": true, - "up": true - }; - function findScrollSetting(value) { - if (typeof value !== "string") { - return false; - } - var scroll = scrollSetting[value.toLowerCase()]; - return scroll ? value.toLowerCase() : false; - } - function isValidPercentValue(value) { - return typeof value === "number" && value >= 0 && value <= 100; - } - - // VTTRegion shim http://dev.w3.org/html5/webvtt/#vttregion-interface - function VTTRegion() { - var _width = 100; - var _lines = 3; - var _regionAnchorX = 0; - var _regionAnchorY = 100; - var _viewportAnchorX = 0; - var _viewportAnchorY = 100; - var _scroll = ""; - Object.defineProperties(this, { - "width": { - enumerable: true, - get: function () { - return _width; - }, - set: function (value) { - if (!isValidPercentValue(value)) { - throw new Error("Width must be between 0 and 100."); - } - _width = value; - } - }, - "lines": { - enumerable: true, - get: function () { - return _lines; - }, - set: function (value) { - if (typeof value !== "number") { - throw new TypeError("Lines must be set to a number."); - } - _lines = value; - } - }, - "regionAnchorY": { - enumerable: true, - get: function () { - return _regionAnchorY; - }, - set: function (value) { - if (!isValidPercentValue(value)) { - throw new Error("RegionAnchorX must be between 0 and 100."); - } - _regionAnchorY = value; - } - }, - "regionAnchorX": { - enumerable: true, - get: function () { - return _regionAnchorX; - }, - set: function (value) { - if (!isValidPercentValue(value)) { - throw new Error("RegionAnchorY must be between 0 and 100."); - } - _regionAnchorX = value; - } - }, - "viewportAnchorY": { - enumerable: true, - get: function () { - return _viewportAnchorY; - }, - set: function (value) { - if (!isValidPercentValue(value)) { - throw new Error("ViewportAnchorY must be between 0 and 100."); - } - _viewportAnchorY = value; - } - }, - "viewportAnchorX": { - enumerable: true, - get: function () { - return _viewportAnchorX; - }, - set: function (value) { - if (!isValidPercentValue(value)) { - throw new Error("ViewportAnchorX must be between 0 and 100."); - } - _viewportAnchorX = value; - } - }, - "scroll": { - enumerable: true, - get: function () { - return _scroll; - }, - set: function (value) { - var setting = findScrollSetting(value); - // Have to check for false as an empty string is a legal value. - if (setting === false) { - console.warn("Scroll: an invalid or illegal string was specified."); - } else { - _scroll = setting; - } - } - } - }); - } - var vttregion = VTTRegion; - - var browserIndex = createCommonjsModule(function (module) { - /** - * Copyright 2013 vtt.js Contributors - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - - // Default exports for Node. Export the extended versions of VTTCue and - // VTTRegion in Node since we likely want the capability to convert back and - // forth between JSON. If we don't then it's not that big of a deal since we're - // off browser. - - var vttjs = module.exports = { - WebVTT: vtt, - VTTCue: vttcue, - VTTRegion: vttregion - }; - window_1.vttjs = vttjs; - window_1.WebVTT = vttjs.WebVTT; - var cueShim = vttjs.VTTCue; - var regionShim = vttjs.VTTRegion; - var nativeVTTCue = window_1.VTTCue; - var nativeVTTRegion = window_1.VTTRegion; - vttjs.shim = function () { - window_1.VTTCue = cueShim; - window_1.VTTRegion = regionShim; - }; - vttjs.restore = function () { - window_1.VTTCue = nativeVTTCue; - window_1.VTTRegion = nativeVTTRegion; - }; - if (!window_1.VTTCue) { - vttjs.shim(); - } - }); - browserIndex.WebVTT; - browserIndex.VTTCue; - browserIndex.VTTRegion; - - /** - * @file tech.js - */ - - /** - * An Object containing a structure like: `{src: 'url', type: 'mimetype'}` or string - * that just contains the src url alone. - * * `var SourceObject = {src: 'http://ex.com/video.mp4', type: 'video/mp4'};` - * `var SourceString = 'http://example.com/some-video.mp4';` - * - * @typedef {Object|string} SourceObject - * - * @property {string} src - * The url to the source - * - * @property {string} type - * The mime type of the source - */ - - /** - * A function used by {@link Tech} to create a new {@link TextTrack}. - * - * @private - * - * @param {Tech} self - * An instance of the Tech class. - * - * @param {string} kind - * `TextTrack` kind (subtitles, captions, descriptions, chapters, or metadata) - * - * @param {string} [label] - * Label to identify the text track - * - * @param {string} [language] - * Two letter language abbreviation - * - * @param {Object} [options={}] - * An object with additional text track options - * - * @return {TextTrack} - * The text track that was created. - */ - function createTrackHelper(self, kind, label, language, options = {}) { - const tracks = self.textTracks(); - options.kind = kind; - if (label) { - options.label = label; - } - if (language) { - options.language = language; - } - options.tech = self; - const track = new ALL.text.TrackClass(options); - tracks.addTrack(track); - return track; - } - - /** - * This is the base class for media playback technology controllers, such as - * {@link HTML5} - * - * @extends Component - */ - class Tech extends Component { - /** - * Create an instance of this Tech. - * - * @param {Object} [options] - * The key/value store of player options. - * - * @param {Function} [ready] - * Callback function to call when the `HTML5` Tech is ready. - */ - constructor(options = {}, ready = function () {}) { - // we don't want the tech to report user activity automatically. - // This is done manually in addControlsListeners - options.reportTouchActivity = false; - super(null, options, ready); - this.onDurationChange_ = e => this.onDurationChange(e); - this.trackProgress_ = e => this.trackProgress(e); - this.trackCurrentTime_ = e => this.trackCurrentTime(e); - this.stopTrackingCurrentTime_ = e => this.stopTrackingCurrentTime(e); - this.disposeSourceHandler_ = e => this.disposeSourceHandler(e); - this.queuedHanders_ = new Set(); - - // keep track of whether the current source has played at all to - // implement a very limited played() - this.hasStarted_ = false; - this.on('playing', function () { - this.hasStarted_ = true; - }); - this.on('loadstart', function () { - this.hasStarted_ = false; - }); - ALL.names.forEach(name => { - const props = ALL[name]; - if (options && options[props.getterName]) { - this[props.privateName] = options[props.getterName]; - } - }); - - // Manually track progress in cases where the browser/tech doesn't report it. - if (!this.featuresProgressEvents) { - this.manualProgressOn(); - } - - // Manually track timeupdates in cases where the browser/tech doesn't report it. - if (!this.featuresTimeupdateEvents) { - this.manualTimeUpdatesOn(); - } - ['Text', 'Audio', 'Video'].forEach(track => { - if (options[`native${track}Tracks`] === false) { - this[`featuresNative${track}Tracks`] = false; - } - }); - if (options.nativeCaptions === false || options.nativeTextTracks === false) { - this.featuresNativeTextTracks = false; - } else if (options.nativeCaptions === true || options.nativeTextTracks === true) { - this.featuresNativeTextTracks = true; - } - if (!this.featuresNativeTextTracks) { - this.emulateTextTracks(); - } - this.preloadTextTracks = options.preloadTextTracks !== false; - this.autoRemoteTextTracks_ = new ALL.text.ListClass(); - this.initTrackListeners(); - - // Turn on component tap events only if not using native controls - if (!options.nativeControlsForTouch) { - this.emitTapEvents(); - } - if (this.constructor) { - this.name_ = this.constructor.name || 'Unknown Tech'; - } - } - - /** - * A special function to trigger source set in a way that will allow player - * to re-trigger if the player or tech are not ready yet. - * - * @fires Tech#sourceset - * @param {string} src The source string at the time of the source changing. - */ - triggerSourceset(src) { - if (!this.isReady_) { - // on initial ready we have to trigger source set - // 1ms after ready so that player can watch for it. - this.one('ready', () => this.setTimeout(() => this.triggerSourceset(src), 1)); - } - - /** - * Fired when the source is set on the tech causing the media element - * to reload. - * - * @see {@link Player#event:sourceset} - * @event Tech#sourceset - * @type {Event} - */ - this.trigger({ - src, - type: 'sourceset' - }); - } - - /* Fallbacks for unsupported event types - ================================================================================ */ - - /** - * Polyfill the `progress` event for browsers that don't support it natively. - * - * @see {@link Tech#trackProgress} - */ - manualProgressOn() { - this.on('durationchange', this.onDurationChange_); - this.manualProgress = true; - - // Trigger progress watching when a source begins loading - this.one('ready', this.trackProgress_); - } - - /** - * Turn off the polyfill for `progress` events that was created in - * {@link Tech#manualProgressOn} - */ - manualProgressOff() { - this.manualProgress = false; - this.stopTrackingProgress(); - this.off('durationchange', this.onDurationChange_); - } - - /** - * This is used to trigger a `progress` event when the buffered percent changes. It - * sets an interval function that will be called every 500 milliseconds to check if the - * buffer end percent has changed. - * - * > This function is called by {@link Tech#manualProgressOn} - * - * @param {Event} event - * The `ready` event that caused this to run. - * - * @listens Tech#ready - * @fires Tech#progress - */ - trackProgress(event) { - this.stopTrackingProgress(); - this.progressInterval = this.setInterval(bind_(this, function () { - // Don't trigger unless buffered amount is greater than last time - - const numBufferedPercent = this.bufferedPercent(); - if (this.bufferedPercent_ !== numBufferedPercent) { - /** - * See {@link Player#progress} - * - * @event Tech#progress - * @type {Event} - */ - this.trigger('progress'); - } - this.bufferedPercent_ = numBufferedPercent; - if (numBufferedPercent === 1) { - this.stopTrackingProgress(); - } - }), 500); - } - - /** - * Update our internal duration on a `durationchange` event by calling - * {@link Tech#duration}. - * - * @param {Event} event - * The `durationchange` event that caused this to run. - * - * @listens Tech#durationchange - */ - onDurationChange(event) { - this.duration_ = this.duration(); - } - - /** - * Get and create a `TimeRange` object for buffering. - * - * @return { import('../utils/time').TimeRange } - * The time range object that was created. - */ - buffered() { - return createTimeRanges(0, 0); - } - - /** - * Get the percentage of the current video that is currently buffered. - * - * @return {number} - * A number from 0 to 1 that represents the decimal percentage of the - * video that is buffered. - * - */ - bufferedPercent() { - return bufferedPercent(this.buffered(), this.duration_); - } - - /** - * Turn off the polyfill for `progress` events that was created in - * {@link Tech#manualProgressOn} - * Stop manually tracking progress events by clearing the interval that was set in - * {@link Tech#trackProgress}. - */ - stopTrackingProgress() { - this.clearInterval(this.progressInterval); - } - - /** - * Polyfill the `timeupdate` event for browsers that don't support it. - * - * @see {@link Tech#trackCurrentTime} - */ - manualTimeUpdatesOn() { - this.manualTimeUpdates = true; - this.on('play', this.trackCurrentTime_); - this.on('pause', this.stopTrackingCurrentTime_); - } - - /** - * Turn off the polyfill for `timeupdate` events that was created in - * {@link Tech#manualTimeUpdatesOn} - */ - manualTimeUpdatesOff() { - this.manualTimeUpdates = false; - this.stopTrackingCurrentTime(); - this.off('play', this.trackCurrentTime_); - this.off('pause', this.stopTrackingCurrentTime_); - } - - /** - * Sets up an interval function to track current time and trigger `timeupdate` every - * 250 milliseconds. - * - * @listens Tech#play - * @triggers Tech#timeupdate - */ - trackCurrentTime() { - if (this.currentTimeInterval) { - this.stopTrackingCurrentTime(); - } - this.currentTimeInterval = this.setInterval(function () { - /** - * Triggered at an interval of 250ms to indicated that time is passing in the video. - * - * @event Tech#timeupdate - * @type {Event} - */ - this.trigger({ - type: 'timeupdate', - target: this, - manuallyTriggered: true - }); - - // 42 = 24 fps // 250 is what Webkit uses // FF uses 15 - }, 250); - } - - /** - * Stop the interval function created in {@link Tech#trackCurrentTime} so that the - * `timeupdate` event is no longer triggered. - * - * @listens {Tech#pause} - */ - stopTrackingCurrentTime() { - this.clearInterval(this.currentTimeInterval); - - // #1002 - if the video ends right before the next timeupdate would happen, - // the progress bar won't make it all the way to the end - this.trigger({ - type: 'timeupdate', - target: this, - manuallyTriggered: true - }); - } - - /** - * Turn off all event polyfills, clear the `Tech`s {@link AudioTrackList}, - * {@link VideoTrackList}, and {@link TextTrackList}, and dispose of this Tech. - * - * @fires Component#dispose - */ - dispose() { - // clear out all tracks because we can't reuse them between techs - this.clearTracks(NORMAL.names); - - // Turn off any manual progress or timeupdate tracking - if (this.manualProgress) { - this.manualProgressOff(); - } - if (this.manualTimeUpdates) { - this.manualTimeUpdatesOff(); - } - super.dispose(); - } - - /** - * Clear out a single `TrackList` or an array of `TrackLists` given their names. - * - * > Note: Techs without source handlers should call this between sources for `video` - * & `audio` tracks. You don't want to use them between tracks! - * - * @param {string[]|string} types - * TrackList names to clear, valid names are `video`, `audio`, and - * `text`. - */ - clearTracks(types) { - types = [].concat(types); - // clear out all tracks because we can't reuse them between techs - types.forEach(type => { - const list = this[`${type}Tracks`]() || []; - let i = list.length; - while (i--) { - const track = list[i]; - if (type === 'text') { - this.removeRemoteTextTrack(track); - } - list.removeTrack(track); - } - }); - } - - /** - * Remove any TextTracks added via addRemoteTextTrack that are - * flagged for automatic garbage collection - */ - cleanupAutoTextTracks() { - const list = this.autoRemoteTextTracks_ || []; - let i = list.length; - while (i--) { - const track = list[i]; - this.removeRemoteTextTrack(track); - } - } - - /** - * Reset the tech, which will removes all sources and reset the internal readyState. - * - * @abstract - */ - reset() {} - - /** - * Get the value of `crossOrigin` from the tech. - * - * @abstract - * - * @see {Html5#crossOrigin} - */ - crossOrigin() {} - - /** - * Set the value of `crossOrigin` on the tech. - * - * @abstract - * - * @param {string} crossOrigin the crossOrigin value - * @see {Html5#setCrossOrigin} - */ - setCrossOrigin() {} - - /** - * Get or set an error on the Tech. - * - * @param {MediaError} [err] - * Error to set on the Tech - * - * @return {MediaError|null} - * The current error object on the tech, or null if there isn't one. - */ - error(err) { - if (err !== undefined) { - this.error_ = new MediaError(err); - this.trigger('error'); - } - return this.error_; - } - - /** - * Returns the `TimeRange`s that have been played through for the current source. - * - * > NOTE: This implementation is incomplete. It does not track the played `TimeRange`. - * It only checks whether the source has played at all or not. - * - * @return { import('../utils/time').TimeRange } - * - A single time range if this video has played - * - An empty set of ranges if not. - */ - played() { - if (this.hasStarted_) { - return createTimeRanges(0, 0); - } - return createTimeRanges(); - } - - /** - * Start playback - * - * @abstract - * - * @see {Html5#play} - */ - play() {} - - /** - * Set whether we are scrubbing or not - * - * @abstract - * @param {boolean} _isScrubbing - * - true for we are currently scrubbing - * - false for we are no longer scrubbing - * - * @see {Html5#setScrubbing} - */ - setScrubbing(_isScrubbing) {} - - /** - * Get whether we are scrubbing or not - * - * @abstract - * - * @see {Html5#scrubbing} - */ - scrubbing() {} - - /** - * Causes a manual time update to occur if {@link Tech#manualTimeUpdatesOn} was - * previously called. - * - * @param {number} _seconds - * Set the current time of the media to this. - * @fires Tech#timeupdate - */ - setCurrentTime(_seconds) { - // improve the accuracy of manual timeupdates - if (this.manualTimeUpdates) { - /** - * A manual `timeupdate` event. - * - * @event Tech#timeupdate - * @type {Event} - */ - this.trigger({ - type: 'timeupdate', - target: this, - manuallyTriggered: true - }); - } - } - - /** - * Turn on listeners for {@link VideoTrackList}, {@link {AudioTrackList}, and - * {@link TextTrackList} events. - * - * This adds {@link EventTarget~EventListeners} for `addtrack`, and `removetrack`. - * - * @fires Tech#audiotrackchange - * @fires Tech#videotrackchange - * @fires Tech#texttrackchange - */ - initTrackListeners() { - /** - * Triggered when tracks are added or removed on the Tech {@link AudioTrackList} - * - * @event Tech#audiotrackchange - * @type {Event} - */ - - /** - * Triggered when tracks are added or removed on the Tech {@link VideoTrackList} - * - * @event Tech#videotrackchange - * @type {Event} - */ - - /** - * Triggered when tracks are added or removed on the Tech {@link TextTrackList} - * - * @event Tech#texttrackchange - * @type {Event} - */ - NORMAL.names.forEach(name => { - const props = NORMAL[name]; - const trackListChanges = () => { - this.trigger(`${name}trackchange`); - }; - const tracks = this[props.getterName](); - tracks.addEventListener('removetrack', trackListChanges); - tracks.addEventListener('addtrack', trackListChanges); - this.on('dispose', () => { - tracks.removeEventListener('removetrack', trackListChanges); - tracks.removeEventListener('addtrack', trackListChanges); - }); - }); - } - - /** - * Emulate TextTracks using vtt.js if necessary - * - * @fires Tech#vttjsloaded - * @fires Tech#vttjserror - */ - addWebVttScript_() { - if (window.WebVTT) { - return; - } - - // Initially, Tech.el_ is a child of a dummy-div wait until the Component system - // signals that the Tech is ready at which point Tech.el_ is part of the DOM - // before inserting the WebVTT script - if (document.body.contains(this.el())) { - // load via require if available and vtt.js script location was not passed in - // as an option. novtt builds will turn the above require call into an empty object - // which will cause this if check to always fail. - if (!this.options_['vtt.js'] && isPlain(browserIndex) && Object.keys(browserIndex).length > 0) { - this.trigger('vttjsloaded'); - return; - } - - // load vtt.js via the script location option or the cdn of no location was - // passed in - const script = document.createElement('script'); - script.src = this.options_['vtt.js'] || 'https://vjs.zencdn.net/vttjs/0.14.1/vtt.min.js'; - script.onload = () => { - /** - * Fired when vtt.js is loaded. - * - * @event Tech#vttjsloaded - * @type {Event} - */ - this.trigger('vttjsloaded'); - }; - script.onerror = () => { - /** - * Fired when vtt.js was not loaded due to an error - * - * @event Tech#vttjsloaded - * @type {Event} - */ - this.trigger('vttjserror'); - }; - this.on('dispose', () => { - script.onload = null; - script.onerror = null; - }); - // but have not loaded yet and we set it to true before the inject so that - // we don't overwrite the injected window.WebVTT if it loads right away - window.WebVTT = true; - this.el().parentNode.appendChild(script); - } else { - this.ready(this.addWebVttScript_); - } - } - - /** - * Emulate texttracks - * - */ - emulateTextTracks() { - const tracks = this.textTracks(); - const remoteTracks = this.remoteTextTracks(); - const handleAddTrack = e => tracks.addTrack(e.track); - const handleRemoveTrack = e => tracks.removeTrack(e.track); - remoteTracks.on('addtrack', handleAddTrack); - remoteTracks.on('removetrack', handleRemoveTrack); - this.addWebVttScript_(); - const updateDisplay = () => this.trigger('texttrackchange'); - const textTracksChanges = () => { - updateDisplay(); - for (let i = 0; i < tracks.length; i++) { - const track = tracks[i]; - track.removeEventListener('cuechange', updateDisplay); - if (track.mode === 'showing') { - track.addEventListener('cuechange', updateDisplay); - } - } - }; - textTracksChanges(); - tracks.addEventListener('change', textTracksChanges); - tracks.addEventListener('addtrack', textTracksChanges); - tracks.addEventListener('removetrack', textTracksChanges); - this.on('dispose', function () { - remoteTracks.off('addtrack', handleAddTrack); - remoteTracks.off('removetrack', handleRemoveTrack); - tracks.removeEventListener('change', textTracksChanges); - tracks.removeEventListener('addtrack', textTracksChanges); - tracks.removeEventListener('removetrack', textTracksChanges); - for (let i = 0; i < tracks.length; i++) { - const track = tracks[i]; - track.removeEventListener('cuechange', updateDisplay); - } - }); - } - - /** - * Create and returns a remote {@link TextTrack} object. - * - * @param {string} kind - * `TextTrack` kind (subtitles, captions, descriptions, chapters, or metadata) - * - * @param {string} [label] - * Label to identify the text track - * - * @param {string} [language] - * Two letter language abbreviation - * - * @return {TextTrack} - * The TextTrack that gets created. - */ - addTextTrack(kind, label, language) { - if (!kind) { - throw new Error('TextTrack kind is required but was not provided'); - } - return createTrackHelper(this, kind, label, language); - } - - /** - * Create an emulated TextTrack for use by addRemoteTextTrack - * - * This is intended to be overridden by classes that inherit from - * Tech in order to create native or custom TextTracks. - * - * @param {Object} options - * The object should contain the options to initialize the TextTrack with. - * - * @param {string} [options.kind] - * `TextTrack` kind (subtitles, captions, descriptions, chapters, or metadata). - * - * @param {string} [options.label]. - * Label to identify the text track - * - * @param {string} [options.language] - * Two letter language abbreviation. - * - * @return {HTMLTrackElement} - * The track element that gets created. - */ - createRemoteTextTrack(options) { - const track = merge(options, { - tech: this - }); - return new REMOTE.remoteTextEl.TrackClass(track); - } - - /** - * Creates a remote text track object and returns an html track element. - * - * > Note: This can be an emulated {@link HTMLTrackElement} or a native one. - * - * @param {Object} options - * See {@link Tech#createRemoteTextTrack} for more detailed properties. - * - * @param {boolean} [manualCleanup=false] - * - When false: the TextTrack will be automatically removed from the video - * element whenever the source changes - * - When True: The TextTrack will have to be cleaned up manually - * - * @return {HTMLTrackElement} - * An Html Track Element. - * - */ - addRemoteTextTrack(options = {}, manualCleanup) { - const htmlTrackElement = this.createRemoteTextTrack(options); - if (typeof manualCleanup !== 'boolean') { - manualCleanup = false; - } - - // store HTMLTrackElement and TextTrack to remote list - this.remoteTextTrackEls().addTrackElement_(htmlTrackElement); - this.remoteTextTracks().addTrack(htmlTrackElement.track); - if (manualCleanup === false) { - // create the TextTrackList if it doesn't exist - this.ready(() => this.autoRemoteTextTracks_.addTrack(htmlTrackElement.track)); - } - return htmlTrackElement; - } - - /** - * Remove a remote text track from the remote `TextTrackList`. - * - * @param {TextTrack} track - * `TextTrack` to remove from the `TextTrackList` - */ - removeRemoteTextTrack(track) { - const trackElement = this.remoteTextTrackEls().getTrackElementByTrack_(track); - - // remove HTMLTrackElement and TextTrack from remote list - this.remoteTextTrackEls().removeTrackElement_(trackElement); - this.remoteTextTracks().removeTrack(track); - this.autoRemoteTextTracks_.removeTrack(track); - } - - /** - * Gets available media playback quality metrics as specified by the W3C's Media - * Playback Quality API. - * - * @see [Spec]{@link https://wicg.github.io/media-playback-quality} - * - * @return {Object} - * An object with supported media playback quality metrics - * - * @abstract - */ - getVideoPlaybackQuality() { - return {}; - } - - /** - * Attempt to create a floating video window always on top of other windows - * so that users may continue consuming media while they interact with other - * content sites, or applications on their device. - * - * @see [Spec]{@link https://wicg.github.io/picture-in-picture} - * - * @return {Promise|undefined} - * A promise with a Picture-in-Picture window if the browser supports - * Promises (or one was passed in as an option). It returns undefined - * otherwise. - * - * @abstract - */ - requestPictureInPicture() { - return Promise.reject(); - } - - /** - * A method to check for the value of the 'disablePictureInPicture'